Chocolate Sheet Cake With Chocolate Frosting

This cake may be served warm or at room temperature.

• Ready In: 40 mins
• Serves: 30

Ingredients

• CAKE

• 2  cups flour
• 2  cups white sugar
• 1⁄2 cup butter, softened
• 1  cup water
• 1⁄2 cup shortening
• 1⁄4 cup  unsweetened baking cocoa
• 1⁄2 cup sour cream or 1⁄2 cup buttermilk
• 2  large eggs
• 1  teaspoon baking soda
• 2  teaspoons vanilla
• 1  cup  miniature semisweet chocolate chips

• FROSTING

• 1⁄2 cup butter
• 6  tablespoons  18% table cream
• 1⁄4 cup  unsweetened cocoa powder (sifted)
• 4  cups confectioners' sugar
• 1  teaspoon vanilla

Directions

1. Set oven to 375 degrees (second- lowest oven rack).
2. For the cake; grease and flour a 11 x 15-inch sheet pan.
3. In a large bowl combine the flour with sugar; set aside.
4. In a saucepan combine 1/2 cup butter, shortening, 1/4 cup sifted cocoa powder and 1 cup water; bring to a boil.
5. Pour the cocoa/butter mixture into the flour mixture then add in sour cream or buttermilk, eggs, baking soda and vanilla; mix until smooth.
6. Add/mix in the chocolate baking chips.
7. Pour into greased and floured baking sheet.
8. Bake for about 20-22 minutes or until cake tests done.
9. Start the frosting about 5 minutes before the cake is done.
10. In a saucepan combine the butter with cream and cocoa powder; bring just to a simmer, then remove from heat; immediately stir in vanilla and confectioners sugar; whisk until smooth.
11. Pour the frosting over hot cake.