German Chocolate Sheet Cake
INGREDIENTS
2 cups all purpose flour
2 cups white sugar
¼ cup cocoa powder
1 cup water
½ cup butter (1 stick)
½ cup shortening
4 oz German baking chocolate
½ cup buttermilk
1 teaspoon baking soda
½ teaspoon salt
2 eggs
1 teaspoon vanilla
FROSTING
12 oz can evaporated milk
3 egg yolks
¾ cup butter
