Texas Sheet Cake

So we are of the understanding that most of the recipes that I post on this blog are simple easy classic recipes right? This cake is a.ma.zing. Probably some of you have made or at least eaten this cake. I think I could eat a whole thing MYSELF! It also makes a TON which is great. The recipe is from this cookbook.

2 c. flour
2 c. sugar
1/2 t. salt
1/2 c. shortening
1/2 c. margarine
1 c. water
3 T. cocoa
2 eggs, beaten
1/2 c. buttermilk
1 t. baking soda
1 t. vanilla
In large bowl mix flour, sugar and salt. In saucepan mix together shortening, margarine, water and cocoa. Bring to a boil then mix with dry ingredients. In a small bowl mix eggs, buttermilk, baking soda and vanilla. add to chocolate mixture. Combine well and pour on a greased and floured cookie sheet. Bake at 350 degrees for 25 minutes. During last 5 minutes of baking prepare icing.

Icing:
1/2 c. margarine
3 T. cocoa
4 c. powdered sugar
1 t. vanilla
4 T. milk

Melt margarine and cocoa. Then add powdered sugar, vanilla and milk. Stir until smooth. ice immediately while cake is hot.