Spread the brownie batter into the prepared pan in an even layer. Spread the reserved mini peanut butter cups and peanut butter chips over the top of the brownie batter and gently press them down.

¼ cup unsalted butter, 1 ¼ cup creamy peanut butter, ¾ cup powdered sugar Once your brownies have had some time to cool, ...

These peanut butter brownies were a happy accident, as they are free of any added sugar they aren't as squidgy as a 'normal' brownies, but very virtuous. Use the best quality peanut butter you can ...