Texas Sheet Cake - cooking recipe

Ingredients

1/4 cup cocoa
1 cup water
1/2 cup margarine
2 cups flour
2 cups sugar
1/2 tsp. salt
1/2 cup sour milk**
2 eggs, slightly beaten
1 tsp. soda
1 tsp. vanilla

Preparation

**To make sour milk add 2 Tbsp. vinegar to milk.