Chocolate Sheet Cake - cooking recipe

Ingredients

1 c. margarine
1 c. water
4 Tbsp. cocoa
2 c. sugar
1/2 tsp. salt
1 tsp. soda
2 c. flour
2 eggs
1/2 c. sour cream
1 tsp. vanilla
1 stick butter
4 Tbsp. cocoa
6 Tbsp. evaporated milk
1 Tbsp. vanilla

Preparation

Add 1 box confectioners sugar.