Ingredients:

  Amount  Measure       Ingredient -- Preparation Method
--------  ------------  --------------------------------
1 1/2     cups          butter -- (3 sticks)
3         cups          sugar
1         tablespoon    vanilla extract
5                       eggs
2         cups          all-purpose flour
1         cup           cocoa
1         teaspoon      baking powder
1         teaspoon      salt
24        small         1 1/2" York® Peppermint Patties -- unwrapped

Preparation:

Heat oven to 350° F. Grease 13x9x2" pan VERY WELL. In 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; blend well. Reserve 2 cups batter; set aside. Spread remaining batter in prepared pan. Arrange peppermint patties in single layer over batter, about 1/2" apart. Spread reserved 2 cups of batter over patties. Bake 50 - 55 minutes, or until brownies begin to pull away from sides of pan. Cool completely in pan on wire rack; cut into squares.