Texas Sheet Cake - cooking recipe

Ingredients

2 sticks margarine
1 c. water
4 Tbsp. cocoa
2 c. sugar
2 c. self-rising flour
1 c. sour cream
1 tsp. vanilla

Preparation

Bring margarine, water and cocoa to a boil in heavy saucepan over medium heat, stirring well.
Remove from heat and add remaining ingredients.
Mix well and pour into a well-greased and floured jelly roll pan (15 1/2 x 10 1/2 x 1-inch).
Bake at 350\u00b0 in a preheated oven for 30 minutes.
Ice with the following frosting.