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 ...
Stir in peanut butter chips. Pour batter into pan and bake until a crust forms but center is still moist, about 30 minutes. Remove pan from oven and let brownie cake cool completely in pan.