Chocolate Sheet Cake - cooking recipe

Ingredients

2 c. flour
2 c. sugar
3 Tbsp. cocoa
1 tsp. cinnamon
1 stick margarine
1/2 c. shortening
1 c. water
1/2 c. buttermilk
1 tsp. soda
1 tsp. vanilla
2 eggs, slightly beaten

Preparation

Sift first 4 ingredients in large bowl; set aside. Place margarine, shortening and water in saucepan; bring to a boil. Pour this over dry ingredients and mix. Add soda to buttermilk; add vanilla and eggs, then mix. Grease and flour 9 x 13-inch baking pan. Bake at 400\u00b0 for 20 minutes or until cake is done.