Chocolate Cake - cooking recipe

Ingredients

2 c. sugar
2 c. flour
1 stick margarine
1/2 c. oil
4 Tbsp. cocoa
1 c. water
1/2 c. sour cream
2 eggs
1 tsp. soda
1 tsp. vanilla
1 stick margarine
4 Tbsp. cocoa
6 Tbsp. milk
1 c. chopped black walnuts
1 tsp. vanilla
1 box powdered sugar

Preparation

In a large mixing bowl, combine the sugar and flour.
In a heavy saucepan, combine the margarine, water and cocoa.
Stir and heat to boiling.
Pour boiling mixture over the flour and sugar. Add the oil, sour cream, eggs, baking soda and vanilla.
Mix well, then pour into a greased 11 x 16-inch jelly-roll pan.
Bake at 400\u00b0 for 20 minutes or until it tests done with a toothpick. While cake is baking, prepare the frosting.