Bake this irresistible Crispy Peanut Butter Log at home. Made with marshmallows, margarine, peanut butter and crisp rice. Easy step-by-step instructions…
This Crispy Peanut Butter Log relies on simple, everyday ingredients such as (10 oz.) marshmallows, margarine, creamy peanut butter and crisp rice cereal. It comes together quickly and makes 4 servings, at about 1633 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 Crispy Peanut Butter Log 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