Bake this irresistible Peanut Butter Krispie Bars at home. Made with margarine, marshmallows, Rice Krispies and peanut butter. Easy step-by-step instruc…
This Peanut Butter Krispie Bars relies on simple, everyday ingredients such as margarine, bag marshmallows (about 40), rice krispies cereal and peanut butter. It comes together quickly and makes 4 servings, at about 1649 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 Krispie Bars 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