Buttermilk Brownies
["2 beaten eggs", "2 c. sugar", "1/2 c. buttermilk", "2 c. flour", "1 tsp. soda", "1/2 c. oil", "3 1/2 Tbsp. cocoa", "1 c. water", "1 tsp. vanilla", "1/2 c. butter", "1/2 c. margarine", "1/2 c. buttermilk", "3 1/2 Tbsp. cocoa", "1 lb. powdered sugar", "1 tsp. vanilla", "chopped nuts, if desired"]
["Boil first 3 ingredients together; add powdered sugar, vanilla and nuts, if desired."]
["eggs", "sugar", "buttermilk", "flour", "soda", "oil", "cocoa", "water", "vanilla", "butter", "margarine", "buttermilk", "cocoa", "powdered sugar", "vanilla", "nuts"]