Buttermilk Brownies
["1 c. butter or margarine", "1/3 c. unsweetened cocoa powder", "2 c. all-purpose flour", "2 c. sugar", "1 tsp. baking soda", "1/2 tsp. salt", "2 slightly beaten eggs", "1/2 c. buttermilk", "1 1/2 tsp. vanilla", "Cocoa Buttermilk Frosting"]
["In saucepan, combine butter, cocoa and 1 cup water.", "Bring to boil; stir constantly.", "Remove from heat.", "In large mixing bowl, stir together flour, sugar, soda and salt; stir in eggs, buttermilk and vanilla.", "Add cocoa mixture; mix until blended. Pour into one greased 15 1/2 x 10 1/2 x 1-inch baking pan or 2 (11 x 7 1/2 x 1 1/2-inch) baking pans or 2 (9 x 9 x 2-inch) pans. Bake at 375\u00b0 for 20 minutes.", "Immediately pour frosting over brownies; spread evenly.", "Cool; cut into bars.", "Makes 60."]
["butter", "cocoa", "flour", "sugar", "baking soda", "salt", "eggs", "buttermilk", "vanilla", "Cocoa"]