3/4 c. butter, melted
1 1/2 c. sugar
1 1/2 tsp. vanilla
3 eggs
3/4 c. flour
1/2 c. Hershey's cocoa
1/2 tsp. baking powder
1/2 tsp. salt
1 c. Reese Peanut Butter chips or chocolate chips

Heat oven to 350 degrees. Grease square pan 8 x 8 x 2. In medium bowl, mix butter, sugar and vanilla. Add eggs; beat well with spoon. Combine flour, cocoa, baking powder and salt, gradually add to egg mixture beating until well blended. Stir in chips. Bake 40 to 45 minutes or until brownies pull away from sides of pan. Cool completely; cut into squares.