Chocolate Sheet Cake - cooking recipe

Ingredients

1 stick butter
1/2 c. oil
1 c. water
1/2 tsp. salt
4 Tbsp. cocoa
2 c. sugar
2 c. flour
1/2 c. buttermilk
2 eggs, beaten
1 tsp. baking soda
1 tsp. vanilla
1 stick oleo
4 Tbsp. cocoa
6 Tbsp. milk
1 box powdered sugar
1 tsp. vanilla
2/3 c. chopped nuts

Preparation

Five minutes before cake is done, melt and bring to a boil the oleo, cocoa and milk.
Remove from heat and add powdered sugar, vanilla and chopped nuts.
Spread over cake while it is still warm.