3 marshmallow crunch brownie bars Recipes

unsweetened chocolate, unsalted butter, semi-sweet chocolate chips, divided, all-purpose flour, baking powder, salt, eggs, room temperature, sugar, vanilla extract, marshmallows, semi-sweet chocolate chips, smooth peanut butter, unsalted butter, rice krispies

brownie mix, marshmallow cream, creamy peanut butter, chocolate chips, rice krispies