Buttermilk Brownies - cooking recipe

Ingredients

1/2 cup oil
1/2 cup margarine
1 cup water
1/4 cup cocoa
2 cups flour
2 cups sugar
1/2 teaspoon salt
1/2 cup buttermilk
1 teaspoon baking soda
2 eggs
1 teaspoon vanilla
Buttermilk Brownie Frosting
1/2 cup margarine
1/4 cup cocoa
1/3 cup buttermilk
1 lb powdered sugar
1 teaspoon vanilla
3/4 cup walnuts

Preparation

Bring to a boil the oil, margarine, water and cocoa.
Pour this over the sifted flour, sugar and salt mixture.
To this add buttermilk, baking soda, eggs and vanilla.
Pour batter into a greased and floured jelly roll pan.
(Mixture will be thin.)
Bake at 375 degrees for 18 to 20 minutes.
Frosting: Boil the margarine, cocoa and buttermilk together one minute.
Add sugar and vanilla.
Beat.
Stir in nuts.
Spread on cooled brownies.