Peppermint Pattie Brownies

24 small (1 ½ in) YORK Peppermint Patties
3 sticks butter or margarine, melted
3 c sugar
1 TBS vanilla extract
5 eggs
2 c all-purpose flour
1 c HERSHEY'S cocoa powder
1 tsp baking powder
1 tsp salt

Preheat oven to 350F. Remove wrappers from peppermint patties. Grease 13x9x2-inch baking pan. Stir together butter, sugar and vanilla in large bowl. Add eggs; beat until well blended. Stir in flour, cocoa, baking powder and salt; blend well. Reserve 2 c batter. Spread remaining batter in prepared pan. Arrange peppermint patties about ½ in apart in single layer over batter. Spread reserved 2 c 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. About 36 brownies.