Slow Cooker Mediterranean Chicken

Tender and flavorful slow cooker mediterranean chicken with olives, onions, and roasted red peppers makes a hearty and tasty meal all made in one dish. 

The slow cooker is constant around our house! If you’re loving yours too, try Slow Cooker Beef Stroganoff SoupBest Easy Slow Cooker Ribs, and Slow Cooker Parmesan Herb Chicken & Orzo.  


Slow Cooker Mediterranean Chicken |

I love slow cooker meals so much, I sometimes wonder if I should be a spokesperson for some massive slow cooker producer. I mean seriously, do you know how much I use this kitchen appliance?? Let’s just say it’s a lot. A LOT. It’s not just that it’s so convenient to toss everything in a pot, cover, and come back a few hours later to a whole meal ready to go. It’s also that I love the way slow cooking meals can bring out more flavor in the dish. Like in this mediterranean chicken dish. All those flavors melding together for a while in the slow cooker makes them ten times better.

Slow Cooker Mediterranean Chicken |

But let’s talk about a couple of ingredients here. First of all the olives. I’ll preface this by saying that I rarely use regular black olives in my cooking because I just don’t care for them. But kalamata olives? Those are my jam. I adore the briny, salty taste of kalamata olives. If you haven’t tried them, this is your chance to fall in love with these little black beauties.

Slow Cooker Mediterranean Chicken |

The other ingredient you might not have a pre-existing relationship with is capers. They too are briny and salty and I can’t get enough of them, particularly in this dish. They’re those little green pea-looking things you see throughout this dish ^^^.  They aren’t expensive and they add a lot to this chicken dish. Together with those kalamata olives, onions, and roasted red peppers… there’s some serious flavor happening here. Not to mention aromas. Your home will smell like a little slice of Southern Europe when you make this dish and that is a very very good thing.

Slow Cooker Mediterranean Chicken |

What people are saying about this Slow Cooker Mediterranean Chicken

“This is delicious! I made this today with bone-in chicken thighs. The chicken was falling off the bone, juicy and tender. I sauteed the onions and garlic before putting in the crockpot. Will make this again!” – Jennifer

“I made this tonight and it was so AWESOME! My guests said it was like a gourmet meal in a restaurant! Served it with garlic Parmesan potatoes and nothing was left!!! Not even a caper!!!” – Jerry

“I made it today and it was so delicious!! It is super easy to make. I didn’t have a lot of time so I opted to do the two hours on high but used thighs instead of breast, they were very moist.” – Gabrielle

“I tried this for my family of four tonight and it was DELICIOUS!!! Even the 3 yr. old & 5 yr. old enjoyed it! I served it over orzo pasta and topped with fresh thyme. Also used red/purple onion instead of yellow. YUM…definitely a ‘keeper’!” – Jill



Slow Cooker Mediterranean Chicken |
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4.89 from 26 votes

Slow Cooker Mediterranean Chicken

Tender and flavorful slow cooker mediterranean chicken with olives, onions, and roasted red peppers makes a hearty and tasty meal all made in one dish.
Course Main Course
Cuisine Mediterranean
Keyword Chicken, mediterannean, slow cooker
Prep Time 5 minutes
Cook Time 4 hours
Total Time 4 hours 5 minutes
Servings 4
Author Tiffany


  • 4 medium-large boneless skinless chicken breasts OR 4-6 boneless skinless chicken thighs
  • salt and pepper to taste
  • 3 teaspoons Italian seasoning
  • juice of 1 medium lemon (about 2 tablespoons)
  • 1 tablespoon minced garlic
  • 1 medium onion, chopped
  • 1 cup kalamata olives
  • 1 cup roughly chopped roasted red peppers
  • 2 tablespoons capers
  • fresh thyme, oregano, or basil for garnish (optional)


  • Season chicken with salt and pepper to taste. Cook in a large skillet over medium-high heat 1-2 minutes on each side til browned. Transfer to greased slow cooker.
  • Add onions, olives, red peppers, and capers to slow cooker (tuck them around the sides so they aren't covering up the chicken). Whisk together italian seasoning, lemon juice, and garlic and pour over chicken.
  • Cover and cook on low for 4 hours or on high for 2 hours. Garnish with fresh thyme, oregano, or basil and serve.


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I don’t have a slow cooker—-Can I bake the chicken at a low temperature??? If so what temp and how long please?

    5 stars
    325 oven temp for one hour and ten minutes is what i did.

I just bought the ingredients to test out this recipe on my family for dinner tonight 🙂

    This was super easy to make, but for some reason the chicken turned out a little dry. I was surprised since being cooked in a slow cooker I was expecting it to be very moist. The flavours were good though.

      Which one did you use? Because chicken breast is notoriously dry. If you use chicken thighs it will be moister.

        If cooked correctly, chicken breasts are never dry. The slow cooker may need a bit of liquid. A bit of broth should help.

5 stars
This looks so good. Definitely trying soon!

I made this tonight and it was so AWESOME! My guests said it was like a gourmet meal in a restaurant! Served it with garlic Parmesan potatoes and nothing was left!!! Not even a caper!!!

its a relish and food cant wait to be consumed… i love the summarization of the recipe…BTW, i made a price research for slow cooker, and one of the selection is BETTER CHEF $55., at .. i think their price is cheaper and reasonable..others are quite expensive after checking it wwith other site..
what are your thoughts about this?

4 stars
I just cooked this recipe but I skipped the searing part of step one and it still came out fantastic and quite juicy! Goes well with garlic mashed potatoes.

Looking at the comments, especially RLSCM, what would happen if I cook the chicken for only 3 hours???
Would love to try this.

4 stars
It’s in the crockpot right now and smells amazing. Serving with cous cous

sounds very good and i will be trying it, but you didn’t list the lemon juice and amount in you ingredients. how much? thanks

    The juice of 1 lemon, about 2 tablespoons 🙂

5 stars
Everyone liked this. Although I left out the kalamata olives because my family just doesn’t like olives, the dish was still very flavorful. I used four very large boneless, skinless chicken breasts. I cooked in my Crockpot for 2 hours low and 2 hours high. I would have been able to cook all on low except I thought the onions weren’t cooking in a timely manner. Next time I will sauté the onions while I brown the chicken. The chicken was moist and tender. I have a 6 quart Crockpot brand slow cooker for reference. Good recipe, thanks!

How would you adjust the Mediterranean Chicken recipe for 2 servings and what type of Italian seasoning do to use?

    Hi Sandy,

    The easiest way would to just use 2-3 chicken breasts instead of 4-6. I use a generic Italian seasoning, but you could use any kind you’d like or have around! It won’t change the outcome of the dish.

      5 stars
      Good afternoon, i PREPARED for 2 putting 1/2 in the freezer. I simply halved everything. I must admit to being somewhat of a spice snob, I usually order from The Spice House. They have a mix, little italy “new york city” herbs with lemon, it is wonderful! I added Aleppo crushed peppers as I am addicted to them! I left out the capers as I prefer more olives! I have a newer Hamilton Beach, Meh. I am looking for an older Crock Pot while cruising thrift stores!This recipe is a keeper, especially for company! Hope this helps! Happy Hollydaze!raf

        Fantastic! A spice snob- I love it! You’re my kind of person 😉 Thanks for the awesome feedback, Bobbijo!

What do you suggest to serve as a side dish?

    Hi Kristine!

    Any sort of rice or pasta would go great with this dish!

This looks delicious, but the amount of ads on your site makes me never want to come back!

Can you tell me what the calories and fat are per serving?

    Hi Kimberly! I don’t have the nutrition stats on hand, but my favorite way to get those numbers is using – it’s free and you can just copy and paste a recipe URL from the internet into their calculator and it will do the work for you!

      Wow! Thanks for this. I am doing a lot of helping-hand cooking for my eighty-somethings (my beloved elderly folks) these days and this will help me help them.

Would this be suitable for freezing? I do all my meal prep in bulk and freeze my lunches.

    Hi! This dish would freeze well and make a delicious lunch meal prep!

Looks great – do you buy prepared roasted red peppers? Or roast them yourself? If you buy prepared, are they canned, jarred, or what?

5 stars
This is delicious! I made this today with bone-in chicken thighs. The chicken was falling off the bone, juicy and tender. I sauted the onions and garlic before putting in the crockpot. Will make this again!

    Hi Jennifer – Did you use bone in chicken thighs with or without the skin?

Hi there! This looks yummy! Is it okay to start the cooking process day before and just reheat day of? I want it to taste the same of course but don’t have that much time tomorrow when everyone comes over.


Do you roast the red bell peppers yourself or buy them roasted? Do you think green would work?

    5 stars
    You can purchase the peppers already prepared in a glass jar.

I see what looks like red peppers in the photo but they aren’t listed in the ingredients. Am I missing something?

This looks amazing. Do you think I could throw in some grape tomatoes as well?


I made it today and it was so delicious!! It is super easy to make. I didn’t have a lot of time so I opted to do the two hours on high but used thighs instead of breast, they were very moist.
This will definitely be something I make often.😊

Can I use a whole chicken instead of parts. And not brown it.?

5 stars
I tried this for my family of four tonight and it was DELICIOUS!!! Even the 3 yr. old & 5 yr. old enjoyed it! I served it over orzo pasta and topped with fresh thyme. Also used red/purple onion instead of yellow. YUM…definitely a ‘keeper’!

    Hi Jill! Thanks for your feedback! I love to hear that your whole family was able to enjoy this meal!

This sounds amazing and will definitely make it as written for my family however I was thinking about making it when my in-laws come to visit and my MIL can’t have the peppers could I substitute sundried tomatoes

5 stars
Just made this w/ chicken breasts. it was amazing wouldnt change a thing!

5 stars
I made this tonight and absolutely loved it!! I didn’t brown the chicken ahead of time, but it still turned out fantastic! I added some olive oil to mine and increased the amount of lemon juice and garlic. So good!!

    Can you cook this for 12-16 servings? Maybe 6-8 breasts per crockpot and make 2 crockpots? If so how long should I cook them?

      I think you could do this- I haven’t ever had that many chicken breasts in the slow cooker for this recipe at a time so I don’t know for sure on the cook time? Trial and error, but I do think you’ll need a tad extra!

Tried your recipe and it was delicious! Might want to add the tomatoes on the ingredients list and when they should be added. Thanks!

Absolutely delicious! Will be making this over and over again.

I made this on Sunday and it was FANTASTIC!!!!! I also added artichoke hearts. YUMMY!!!

5 stars
Just finished eating dinner. This was awesome! Used chicken,breasts on low for 4 hours and skipped the browning step as I was running late. Swapped out the red peppers for sundried tomatoes packed in oil since I hate peppers. Was a great hit, very moist, everyone loved it. Dumped the extra juices and bits in our Farro mushroom pilaf to spice it up for tomorrow’s dinner.

Is there enough liquid to make the chicken moist? I feel like there must be some sort of liquid missed? Is the Italian seasoning the spice or the salad dressing?


    The Italian seasoning should be the spice, and this chicken always comes out nice and juicy when I make it!

5 stars
Very good, i added artich hearts. I did not brown the chicken but i did saute’ the onion and garlic before adding to the pot. Made it with whole wheat orzo.

This was a tasty dish. I was serving with rice so I added 3t of chicken broth to crock pot while cooking. Chicken breast are so lean I thought I would juice them up a little. I would make again.

It looks Delicious but im just wondering how many calories in One serving

    Hi Parmida – My Fitness Pal has a great tool that will tell you the nutritional information for this recipe or any other recipe on my site.

Made this dish tonight. It was delicious!!! I added a little white wine and some artichoke hearts.

5 stars
Tiffany, your recipes are amazing. I am a beginner, but with your recipes I cook as a profesional…lol. Yesterday we had this chicken for dinner and everybody loved it. today is slow cooker pork carnitas…greetings from costa rica.

4 stars
Like others, i agree the chicken was more rubbery than tender. The sauce itself was great. I will make the sauce in the future, and use on shrimp. Or, make with cubed chicken and sLiced sausage.

How do you pour the ingredients you described on the chicken. the only flud is 2 tablespoons of lemon jucie. huh

    Give that recipe a try! It works out! 😉

Very goood dish. I’ve tried different mediterranean recipies but this so far is tops. not only is it very tasty but much more healtier than othes. Thank you for sharing.

    Hi Jerry- I am SO happy to hear that this is your favorite Mediterranean recipe! Thank you for the great feedback 🙂

Could I use plain black olives?

    Yes- if that is your preference or what you have on hand!

What did you use to “grease” the slow cooker?

    Hi Jd- I just use my store brand cooking spray! Whatever you typically use will work just fine.

Thank you. Just got done & the dish is awesome! I served mine with Mediterranean rice, Jasmine sun dried tomatoes basil & fresh parm. Bone appetit!!!

    Holy smokes- those pairings sound amazing! Great ideas! Thanks for sharing. I am happy to hear that you enjoyed this meal! Thanks, JD!

      *Bon appetit
      …Auto correct.
      Thank you, it is amazing!
      So delicious!

5 stars
This was AMAZING!

    SO glad that you loved it! Thanks, Veronica!

5 stars
This was delicious!! I mixed in some feta cheese right when it was done cooking and served it over cous cous. The chicken thighs were very tender and moist. Fell apart with just a fork. Would make it again in a heartbeat. Thanks for sharing!

    Hi Michelle- I haven’t added feta in this dish, but my goodness does that sound delicious! Thanks for sharing your great idea! So happy to hear that you loved this dish!

5 stars
Hi Tiffany,

my family loves this dish. I am wondering if you have ever cooked it in the instant pot? If so what times do you use?


    Hi Amy- I haven’t done that, yet! Sorry I don’t have much input on that at this time!!

Have you ever tried a layer of potatos on the bottom of this?

    I haven’t- but I’d love to hear how it turns out if you do!

I am considering making this for a dinner party this weekend however already have chicken tenders I would like to use. Would you recommend cutting the cooking time in half? Just a quick sear on the chicken?

    Gretchen- the cooking time really won’t change much! Maybe it would take a little bit off, but be sure to check the chicken for doneness before you taking it out to serve if you do cut some time off!

5 stars
My family love this recipe. I add dried tomatoes for extra veggies and because I just love dried tomatoes. We serve it with plain rice. It’s one of my absolute favorite dish!

    Oh I bet dried tomatoes would be fabulous with this- thanks for the idea! 😉

5 stars
I made this for dinner and it was delicious! I will make it again!

    Super excited to hear that you loved this recipe, Mandy! It’s a household favorite over here!!

Could you double this recipe to 8 (or even 10) breasts? I have a large group coming for dinner!

    I’m sure you could but you will need a large slow cooker! Or multiple slow cookers.

      If i have a 6 qt crockpot can i use 7 chicken thighs is it ok to layer the thighs or no and would i DOUBLE ingredients

        Yes, you should be fine to layer them.

Looks great

Sounds good. Why list “Italian seasoning” as an ingred? Why not list the components? OreganO? Basil? Garlic? These are all on your list. So what in “italian seasoning”?

5 stars
I made this tonight for dinner – DELICIOUS! I lightly browned the onions and chicken, skipped the italian spice since i don’t care for the taste. Definitely a keepEr – Thank you!

    Great job, Lorraine! Sounds like you did awesome. Thanks for your feedback!

Would the time be adjusted if you used the Instant Pot slow cook setting? I’m new to the Instant pot(used it twice) so don’t really know much about it yet.

    Hi Elizabeth- I haven’t actually tested that feature out for this recipe! I think it will work the same as a traditntal slow cooker however!

Justmade this for dinner! Amazing- Added some black olives as well and put it on top of brown rice noodles!
However the 6 hours low was a bit much- my chicken is a bit dry.. but every crockpot is different! Thank you

    Great job, Carly! Sounds like you did a great job. Thanks for your feedback!

5 stars
Easy And [email protected] I used white wine inplace of lemon juic, topped with feta cheese and servied over roasted spagettti squash.

    Fantastic job, Julie! Sounds super delicious if you ask me! 🙂

5 stars
I made this laSt night for my husband and i. It was very easy to put together and cooked nice and quickly. The flavor was amazing and the chickEn turned out tender and pulled apart. It wasnt at all dry. I servEd it wIth white rice and used the sauce frOm the crockpot to DRIZZLE over the top. I will be making this again! Thank you for the easy and delicious recipe:)

    Great job, Megan! Thank you for sharing your feedback! I am excited to hear that you and your husband enjoyed this recipe so much!

5 stars
I made this recipe tonight. It was a real Hit! My brother usually doesn’t like olives but loved every part of this fish. My dad said he would eat it again.

    Cassidy- way to impress the crowd!! Fantastic job 😉 Thanks for sharing your feedback!

Delicious! Smells wonderful while cooking. (Drove my husband crazy).i added 1/2 C of chicken stock, but didn’t need it. for serving puRposes, what size are the breasts-4 oz, 6oz?

    I’d say 4-6 oz is a great estimation!

This was so good! I did add a tomato and about a teaspoon of hot red pepper flakes, served over couscous! Will make again ASAP!

    yummm! Great idea- Lesley!

You mention fresh thyme or basil in the ingredients, but in the directions mention thyme or oregeno? Does it matter or do all work?

    Good question, any of the mentioned herbs will work, it’s just a typo in the recipe.n

5 stars
I’m usually not a big fan of chicken breasts, but this recipe is awesome!! The chicken is supEr tEnder, its easy to out together and the melded flaVors of the ingredients are lovely!!! Thanks!

    Super excited to hear that you enjoyed this recipe!

What are good side disj for this?

would love to try! can I use chicken tenders? just bought a bunch – if so do I have to adjust cooking time?

    They make cook a tad quicker since they are smaller!

5 stars
Simple & delicious!!

Has anyone tried this in the instapoT?

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