Bake this irresistible Peanut Butter Rice Krispie Treat Marshmallow Brownies at home. Made with Brownie Mix Batter, Water, Marshmallows and Peanut Butte…
This Peanut Butter Rice Krispie Treat Marshmallow Brownies relies on simple, everyday ingredients such as mini marshmallows, creamy peanut butter, semi-sweet chocolate chips and butter. It comes together quickly and makes 4 servings, at about 898 kcal each. The step-by-step instructions below are written to be easy to follow, even on a busy day.
Whether you're rounding off a family dinner, bringing a treat to a gathering, or simply satisfying a sweet craving, this Peanut Butter Rice Krispie Treat Marshmallow Brownies delivers. Serve it warm or at room temperature, and add a scoop of ice cream or a spoonful of whipped cream for an extra-special finish.
Updated Jun 30, 2026