Brownies - One Bowl
["1 stick margarine", "1/2 c. oil", "7 Tbsp. cocoa", "2 c. sugar", "1/2 tsp. salt", "1 tsp. baking powder", "4 eggs", "1 1/2 c. flour", "1 c. nuts", "2 tsp. vanilla"]
["Stir together over heat until smooth the first 3 ingredients. Cool.", "Add remaining ingredients.", "Mix all ingredients together. Pour into 9 x 12-inch pan.", "Bake at 350\u00b0 for 20 minutes.", "Serves 30."]
["margarine", "oil", "cocoa", "sugar", "salt", "baking powder", "eggs", "flour", "nuts", "vanilla"]