York Sensational Brownies
["1 1/2 c. oleo", "3 c. sugar", "1 Tbsp. vanilla", "5 eggs", "2 c. flour", "1 c. cocoa", "1 tsp. baking powder", "1 tsp. salt", "24 (1 1/2-inch) York Peppermint Patties"]
["Heat oven to 350\u00b0.", "Grease 13 x 9 x 2-inch pan.", "Mix oleo, sugar and vanilla with fork.", "Add eggs; stir until well blended. Stir in flour, cocoa, baking powder and salt.", "Save 2 cups of batter.", "Spread remaining batter in pan.", "Arrange patties in single layer over batter.", "Add remaining 2 cups of batter over patties.", "Bake for 50 to 55 minutes.", "Cool completely and cut into squares."]
["oleo", "sugar", "vanilla", "eggs", "flour", "cocoa", "baking powder", "salt"]