1 1/2 c. (3 sticks) butter, melted
3 c. sugar
1 tbsp. vanilla
5 eggs
2 c. flour
1 c. Hershey's cocoa
1 tsp. baking powder
1 tsp. salt
24 sm. (1 1/2 in.) York Peppermint Patties, unwrapped

Heat oven to 350 degrees. Grease 13 x 9 inch pan. In a large bowl stir together the butter, sugar and vanilla. Add eggs; stir until well blended. Stir in flour, cocoa, baking powder and salt; blend well. Set aside 2 cups of batter. Spread remaining batter in prepared pan. Arrange peppermint patties in a single layer over batter, about 1/2 inch apart. Spread reserved batter over patties. Bake 50 to 55 minutes or until brownies begin to pull away from sides of pan.