Bake this irresistible Chocolate Marshmallow Sundae Cake at home. Made with chocolate syrup, water, nuts and marshmallows. Easy step-by-step instruction…
This Chocolate Marshmallow Sundae Cake relies on simple, everyday ingredients such as hershey's chocolate syrup, water, chopped nuts (walnuts) and miniature marshmallows. It comes together quickly and makes 4 servings, at about 328 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 Chocolate Marshmallow Sundae Cake 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