Texas Sheet Cake

1/2 c. margarine
4 Tbls. cocoa
1/2 c. shortening
1 c. water
2 c. flour
2 c. sugar

Melt and bring to boil margarine, cocoa, shortening and water. Sift flour and sugar together. Pour hot mixture over dry mixture. then add:

1/2 c. buttermilk
1 tsp. soda
1 tsp. salt
3 eggs
1 tsp. vanilla

Pour into greased, floured cake sheet. Bake at 400 degrees for 20 minutes. 10 minutes before cake is done bring to boil in same pan as before:

1/2 c. butter or margarine
4 Tbls. cocoa
6 Tbls. cream or canned milk

Pour over a box (I think that is about 1 lb.) of powdered sugar and beat. Add 1 cup. chopped nuts (we like to use walnuts) and a pinch of salt. Put the frosting on the cake while it is still hot.