York Sensational Brownies
["1 1/2 c. melted butter or margarine (3 sticks)", "3 c. sugar", "1 Tbsp. vanilla", "5 eggs", "2 c. all-purpose flour", "2/3 c. Hershey's cocoa", "1 tsp. baking powder", "1 tsp. salt", "24 small (1 1/2-inch) York peppermint patties"]
["Heat oven to 350\u00b0.", "(If using a glass pan, heat to 325\u00b0.) Grease a 9 x 13-inch baking pan.", "In a large bowl with spoon or wire whisk, stir together butter, sugar and vanilla.", "Add eggs. Stir until well blended.", "Stir in flour, cocoa, baking powder and salt and blend well.", "Reserve 2 cups batter.", "Spread remaining batter in prepared pan.", "Arrange peppermint patties in single layer over batter, about 1/2-inch apart.", "Spread reserved 2 cups of batter over patties.", "Bake 50 to 55 minutes or until brownies begin to pull away from sides of pan.", "Cool completely in pan on wire rack.", "Cut into squares.", "Makes about 36 brownies."]
["butter", "sugar", "vanilla", "eggs", "flour", "cocoa", "baking powder", "salt", "peppermint patties"]