Bake this irresistible Butter Pecan Chocolate Marshmallow Bars at home. Made with cake mix, margarine, water and marshmallows. Easy step-by-step instruc…
This Butter Pecan Chocolate Marshmallow Bars relies on simple, everyday ingredients such as each cake mix, butter pecan, margarine melted, water and miniature marshmallows. It comes together quickly and makes 4 servings, at about 353 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 Butter Pecan Chocolate Marshmallow 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