Johnny Hoosier Cake (aka Texas Sheet Cake)

Cake:

Sift the following ingredients:

2 C. Sugar
2 C. Flour
1 tsp. Soda
1/2 tsp. Salt

Melt in saucepan; bring to a boil and pour over dry ingredients:

2 sticks Margarine
4 Tbsp. Cocoa
1 C. Water

Add:

1/2 C. Buttermilk (1 C. milk + 1 Tbsp. vinegar or lemon juice)
2 Eggs
1 tsp. Vanilla

Bake in sheet pan at 350 for 15-20 minutes.

Frosting:

Combine and bring to a boil:

1 stick Butter
5-6 Tbsp. Buttermilk
4 Tbsp. Cocoa

Add:

1 box Powdered Sugar (4-4.5 cups)
1 tsp. Vanilla

Pour frosting over cake and put in refrigerator to cool.