Rum Nut Swirl Brownies
["1/2 c. butter or margarine, melted", "1 c. sugar", "1/3 c. cocoa", "1 tsp. vanilla extract", "2 eggs", "1/2 c. all-purpose flour", "1/2 tsp. baking powder", "1/4 tsp. salt"]
["Heat oven to 350\u00b0.", "Grease 8-inch square baking pan.", "In medium bowl, stir butter, sugar and cocoa until blended.", "Add vanilla and eggs; beat with spoon until blended.", "Add flour, baking powder and salt.", "Beat with spoon until well blended.", "Spread half of batter into prepared pan.", "Gently spread Rum Nut Swirl over batter.", "Spoon remaining chocolate batter over top.", "With spatula or knife, cut through batters to marble.", "Bake for 25 minutes. Reduce oven temperature to 325\u00b0.", "Continue to bake for 10 minutes or until brownies begin to pull away from sides of pan.", "Cool completely in pan on wire rack.", "Cut into 20 bars and serve warm."]
["butter", "sugar", "cocoa", "vanilla extract", "eggs", "all-purpose", "baking powder", "salt"]