Prompt: Chocolate cake recipe


1 cup (2 sticks) unsalted butter, at room temperature
1 cup granulated sugar
3/4 cup all-purpose flour
1 teaspoon baking soda
1/2 teaspoon baking powder
1/2 teaspoon salt
2 large eggs
1 cup buttermilk
1/2 cup cocoa powder
1 teaspoon vanilla extract
1 cup semisweet chocolate chips
1/4 cup white chocolate chips


1. Preheat oven to 350 degrees F (175 degrees C). Butter and flour an 8-inch layer cake pan; set aside.
2. In a large bowl, cream butter and sugar together until light and fluffy. Add the flour, baking soda, baking powder, and salt; mix until smooth. Beat in eggs, buttermilk, cocoa powder, and vanilla extract. Stir in the chocolate chips and white chocolate chips. Pour batter into the prepared cake pan.
3. Bake for 30 to 35 minutes, or until a toothpick inserted into the center comes out clean. Cool cake in the pan for 10 minutes; transfer to a wire rack to cool completely.
4. Cut cake into squares, and serve.