Chocolate Sheet Cake - cooking recipe

Ingredients

1 stick butter
1/2 cup oil
4 tablespoons cocoa
1 cup water
2 cups flour
2 cups sugar
1/2 cup buttermilk
2 eggs
1 teaspoon baking soda
1 teaspoon vanilla

Preparation

In saucepan bring to a boil butter, oil, cocoa, and water. Sift together flour and sugar. Pour chocolate sauce over dry ingredients and mix well. Add buttermilk, eggs, baking soda, and vanilla. Pour into a greased cookie sheet. Bake at 400\u00b0 for 20 minutes.