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3 cups sugar
1 Tbsp vanilla extract
5 eggs
2 cups flour
1 cup cocoa
1 tsp baking powder
1 tsp salt
24 peppermint patties (small 1-1/2 inch)
Heat oven to 350 degrees; 325 if using a glass pan. Grease a 9x13 inch pan. In a large bowl, stir together 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 the batter, about 1/2 inch apart. Spread reserved batter over the patties. Bake 50-55 minutes or until brownies begin to pull away from the sides of the pan.