These peanut butter brownies were a happy accident ... Drop spoonfuls of the remaining peanut butter over the top, creating swirls across the top of the mixture. Bake in the preheated oven ...

Set aside 1 cup for topping. Spread remaining batter ... Can you use a brownie mix instead of making the brownies from scratch in this layered peanut butter brownie recipe? You can use a boxed ...

These sweet squares start off with a base layer of fudgy brownies, followed by a melt-in-your-mouth layer of peanut butter fudge, and are finished with a top layer of shiny chocolate ganache.