Texas Sheet Cake - cooking recipe

Ingredients

1 c. margarine
1 c. water
4 rounded Tbsp. cocoa
2 c. sugar (granulated)
1/2 tsp. salt
2 c. flour
1 tsp. baking soda
2 eggs
1 tsp. vanilla
1 c. milk, soured with 1 Tbsp. vinegar
1/2 c. margarine
1/4 c. cocoa
6 Tbsp. milk
2 1/2 c. powdered sugar
1 tsp. vanilla

Preparation

Grease and flour 18 x 12 x 1-inch jelly roll pan.
Melt together 1 cup margarine, water and the first measurement of cocoa; bring to boil (can be done in microwave).
Using wire whisk, blend the granulated sugar, salt, flour, baking soda, eggs, 1 teaspoon vanilla and soured milk.
Blend into first mixture. Pour onto pan; bake at 350\u00b0 for 20 minutes.
While cake bakes, prepare icing.