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flourless peanut butter cookies on parchment paper with one cookie missing bite
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5 from 1 vote

Flourless Peanut Butter Cookies (4 Ingredients)

These chewy, Flourless Peanut Butter Cookies have ONLY 4 ingredients and are so tasty, so buttery, so melt-in-your-mouth decadent, you'd never guess they are actually gluten free! 
Prep Time20 minutes
Cook Time10 minutes
Total Time30 minutes
Course: Dessert
Cuisine: American
Diet: Gluten Free
Servings: 18 cookies

Ingredients

  • 1 cup smooth peanut butter (see notes)
  • 1 cup sugar
  • 1 egg lightly beaten
  • flaky sea salt

Instructions

  • Preheat the oven to 350F and line two baking sheets with parchment paper.
  • In a large bowl using a wooden spoon, beat the peanut butter until smooth. Add the sugar and beat until combined, then add the egg, stirring everything together to create a smooth dough.
  • Roll the dough into 1 1/2 tbsp balls and place them at least 1 inch apart on the prepared baking sheets. Sprinkle the top of each with flaky sea salt, then press the prongs of a fork into the tops to form a classic peanut butter cookie cross hatch. The sea salt will both help balance out the sweetness of the cookie and help stop the fork sticking to the cookie dough.
  • Bake for 8-10 minutes, then leave the cookies to cool completely on the tray before transferring to a cookie jar or airtight container.

Notes

The peanut butter: Do not use an all natural brand of peanut butter which separates in the jar, you want to choose a "no stir" brand that stays smooth and homogenous for these cookies to work without flour. If you are gluten-free, double check your peanut butter labels for gluten, just in case.
Sticky dough: If your kitchen is really warm and the dough is a bit too sticky to form into balls, chill it for 20 minutes before shaping.
Storage: These cookies will keep in an air-tight container for approximately 3-4 days at room temperature.
Freezing: I have frozen this soft peanut butter cookie dough and the baked cookies as well. Both freeze equally well in an airtight container. 

Nutrition

Calories: 132kcal | Carbohydrates: 14g | Protein: 4g | Fat: 8g | Saturated Fat: 2g | Polyunsaturated Fat: 2g | Monounsaturated Fat: 4g | Trans Fat: 0.001g | Cholesterol: 9mg | Sodium: 65mg | Potassium: 84mg | Fiber: 1g | Sugar: 13g | Vitamin A: 13IU | Calcium: 9mg | Iron: 0.3mg
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