Texas Sheet Cake - cooking recipe

Ingredients

1 stick margarine
1/2 c. vegetable oil
1 c. water
4 Tbsp. cocoa
2 c. flour
2 c. sugar
2 eggs
1 tsp. vanilla
1 tsp. soda
1/2 c. buttermilk (or sour)*

Preparation

Bring to boil margarine, oil, water and cocoa.
Mix flour and sugar; add eggs, vanilla, soda and buttermilk.
Pour on cookie sheet; bake at 350\u00b0 for 20 minutes.