Active Time

　　15 min

　　Total Time

　　1 1/2 hr (includes cooling)

　　

Ingredients

Makes 12 cupcakes

　　1 1/2 cups all-purpose flour

　　2 tablespoons unsweetened Dutch-process cocoa powder

　　1/2 teaspoon cinnamon

　　1/2 teaspoon baking soda

　　1/4 teaspoon baking powder

　　1/4 teaspoon salt

　　3/4 cup plus 2 tablespoon sugar

　　1/2 cup vegetable oil

　　1 large egg

　　1/2 teaspoon pure vanilla extract

　　1/2 pound zucchini, coarsely grated (1 cup)

　　1 (6-ounces) package semisweet chocolate chips

　　Equipment: a muffin pan with 12 (1/2-cup) cups with paper liners

　　

Step 1

Preheat oven to 350°F with rack in middle.

　　

Step 2

Whisk together flour, cocoa, cinnamon, baking soda, baking powder, and salt. Beat together sugar, oil, egg, and vanilla in a large bowl with an electric mixer until thick and creamy, 2 to 3 minutes. At low speed, mix in flour mixture until just incorporated. Stir in zucchini and chocolate chips. Divide among lined muffin cups and bake until tops spring back when lightly pressed, 30 to 35 minutes. Cool in pan 5 minutes, then turn out to cool completely.