Bake this irresistible Yummy Yum Yum Bars at home. Made with chocolate cake mix, margarine, water and marshmallows. Easy step-by-step instructions inclu…
This Yummy Yum Yum Bars relies on simple, everyday ingredients such as box chocolate cake mix, melted margarine, water and miniature marshmallows. It comes together quickly and makes 4 servings, at about 307 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 Yummy Yum Yum 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