baking pan. 2. In saucepan, melt butter. Add peanut butter; stir until peanut butter is melted. Stir in sugar and vanilla. Add eggs; beat well with spoon. Add flour, baking powder and salt; beat well. 3. Remove 1-3/4 cups batter; stir cocoa into this part. Spread chocolate batter into prepared pan. Spread remaining batter over top. 4. Bake 30 minutes or until brownies just begin to pull away from sides of pan. Cool completely in pan on wire rack. Cut into bars. About 36 brownies.JMhershey's is a registered trademark of Hershey Foods Corporation. Recipe may be reprinted courtesy of the Hershey Kitchens.