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Zucchini Sheet Cake

4.90 from 28 votes
piece of zuccihni sheet cake on plate
Zucchini Sheet Cake is an unexpected twist on a classic that combines the earthy goodness of zucchini with the sweetness of a moist sheet cake! Grated zucchini adds moisture and subtle flavor, while the creamy frosting provides the perfect balance of sweetness!
Prep Time: 15 minutes
Cook Time: 25 minutes
0 minutes
Total Time: 40 minutes
Servings:20 servings

Ingredients

  • 2 cups flour
  • 1 teaspoon baking soda
  • 1 teaspoon cinnamon
  • 1 teaspoon salt
  • 2 cups shredded zucchini , (about 2 medium zucchinis)
  • 1 cup brown sugar
  • ¾ cup sugar
  • 4 eggs
  • 2 teaspoons vanilla
  • 1 cup plain greek yogurt, (I used fat free - may sub sour cream in a pinch)

Frosting

  • 5 tablespoons butter, melted
  • 4 cups powdered sugar
  • 2 ounces cream cheese, softened
  • 1 teaspoon vanilla extract
  • 6-8 tablespoons milk

Instructions

  • Preheat oven to 350 and grease a 12x17 (or similar) jelly roll pan.
  • In a medium bowl whisk together flour, baking soda, cinnamon, and salt.
  • In a large bowl cream together zucchini, sugars, eggs, vanilla, and greek yogurt.
  • Add dry ingredients to wet ingredients and mix until combined. Spread batter in prepared pan.
  • Bake for 20-25 minutes until cake springs back when gently pressed with a finger. Allow to cool.
  • For the frosting, cream together butter, powdered sugar, cream cheese, vanilla, and milk until smooth. Spread over cooled cake.

Notes

  • Don't feel the need to peel the zucchini before shredding! You can shred the zucchini as is. No need to peel it!
  • Don't over mix the batter! Once you combine the wet and dry ingredients, make sure you don't over mix. This can result in a tough and dense zucchini cake!
  • To store, place your zucchini bars in an airtight container in the refrigerator for up to 5 days.
  • To make these into muffins or cupcakes, follow my zucchini bread muffins recipe!

Nutrition

Calories: 247 kcal, Carbohydrates: 53 g, Protein: 4 g, Fat: 2 g, Saturated Fat: 1 g, Trans Fat: 1 g, Cholesterol: 37 mg, Sodium: 207 mg, Potassium: 104 mg, Fiber: 1 g, Sugar: 43 g, Vitamin A: 125 IU, Vitamin C: 2 mg, Calcium: 43 mg, Iron: 1 mg
Course: Dessert
Cuisine: American
Author: Tiffany