Cocoa Brownies
["1/2 c. butter", "1/3 c. sifted cocoa", "3/4 c. sifted flour", "1/2 tsp. baking powder", "1/4 tsp. salt", "1 c. sugar", "2 eggs", "1 tsp. vanilla", "3/4 c. chopped nuts"]
["Preheat oven to 350\u00b0.", "Cream butter with sugar until fluffy. Beat in eggs and vanilla.", "Sift cocoa with flour, baking powder and salt; work into creamed mixture.", "Stir in nuts and bake 30 to 35 minutes in greased 8 x 8 x 2-inch pan, or just until pulls from sides.", "Cool to room temperature upright in pan on a wire rack. Cut into 16 squares and serve."]
["butter", "cocoa", "flour", "baking powder", "salt", "sugar", "eggs", "vanilla", "nuts"]