Ingredients
- cup swhite sugar
- 3/4 cup sall-purpose flour
- 3/4 cup unsweetened cocoa powder
- 1/2 teaspoon sbaking soda
- 1/2 teaspoon sbaking powder
- teaspoon salt
- eggs
- cup milk
- 1/2 cup vegetable oil
- teaspoon vanilla extra ct
- teaspoon peppermint extra ct
- cup boiling water
- teaspoon peppermint extra ct
- 1/2 cup milk
- cup butter, softened
- (32 ounce) packageconfectioners' sugar
- 1/2 teaspoon green gel food coloring, or as needed
- cup mini ature semisweet chocolate chips
- 1/2 cup butter, softened
- (1 ounce) squaressemisweet chocolate
Instructions
- Preheat the oven to 350 degrees F (175 degrees C). Grease a 9x13 inch baking dish.
- Combine sugar, flour, cocoa, baking soda, baking powder, and salt in a medium bowl. Add eggs, milk, oil, vanilla extract, and peppermint extract; mix using an electric mixer until smooth. Whisk in boiling water. Pour batter into the prepared baking dish.
- Bake in the preheated oven until a toothpick inserted into the center comes out clean, 30 to 35 minutes. Let cake cool 10 to 15 minutes before transferring to a wire rack to cool completely.
- While cake is cooling, combine milk and peppermint extract in a small bowl and set aside.
- Cream butter in a separate bowl using an electric mixer until smooth.
- Pour in confectioners' sugar and peppermint milk mixture alternately while continuing to beat.
- Add green food coloring until frosting reaches desired color.
- Whip frosting on high until fluffy, 2 to 3 minutes.
- Divide between two bowls.
- Stir chocolate chips into 1/2 the frosting using a spoon.
- Set mint chocolate chip frosting aside.
- Frost cooled cake with pure mint frosting without chocolate chips. Place cake in the refrigerator to set.
- Meanwhile, combine chocolate squares and butter in a double boiler; stir until thoroughly melted. Remove from heat. Stir ganache vigorously to a smooth consistency.
- Remove cake from the refrigerator. Cover entire cake with ganache; return to the refrigerator and allow to completely set, about 30 minutes.
- Remove set cake from the refrigerator. Frost sides of cake with mint chocolate chip frosting.