Chocolate Zucchini Cake
This zucchini chocolate cake is a celebration of the unexpected magic that happens when humble ingredients like shredded zucchini, cocoa powder and chocolate chips come together in perfect harmony. Whether enjoyed with a steaming cup of weekday coffee or served at a gathering, this chocolate zucchini cake is sure to steal the spotlight. If you prefer cake with a creamy layer to complement the chocolate, top it with our optional cream cheese frosting. The frosting will add 54 calories and 5 grams of added sugar per serving.
Ingredients
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1 1/4 cups whole-wheat flour
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1 1/4 cups all-purpose flour
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3/4 cup cocoa powder
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2 teaspoons baking powder
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1/2 teaspoon salt
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1 cup packed light brown sugar
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2/3 cup neutral oil, such as canola or avocado
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1/2 cup buttermilk
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4 large eggs
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6 tablespoons granulated sugar
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2 teaspoons vanilla extract
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2 1/2 cups shredded zucchini (about 2 medium)
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3/4 cup semisweet chocolate chips
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1 (8-ounce) package reduced-fat cream cheese, at room temperature
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2/3 cup confectioners' sugar
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1/3 cup low-fat plain strained (Greek-style) yogurt
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2 tablespoons whole milk
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1 teaspoon vanilla extract
Description
- To prepare cake: Preheat oven to 350°F. Coat a 9-by-13-inch baking pan with cooking spray. Whisk whole-wheat flour, all-purpose flour, cocoa, baking powder and salt in a large bowl until well combined.
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Whisk brown sugar, oil, buttermilk, eggs, granulated sugar and 2 teaspoons vanilla in a medium bowl until combined. Using a rubber spatula, gently fold the sugar mixture into the flour mixture until almost fully combined and a few dry streaks remain.
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Fold zucchini and chocolate chips into the batter until evenly incorporated. Spread the batter evenly into the prepared baking pan.
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Bake until a wooden pick inserted in the center comes out clean, about 30 minutes. Let cool completely in the pan on a wire rack, about 1 hour.
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To prepare frosting (if using): Combine cream cheese, confectioners’ sugar, yogurt, milk and vanilla in a medium bowl. Beat with an electric mixer on medium-high speed until smooth and creamy, 2 to 4 minutes. Spread the frosting evenly over the top of the cooled cake.