Bake this irresistible Rhubarb Cake at home. Made with yellow cake, marshmallows, rhubarb and sugar. Easy step-by-step instructions included.
This Rhubarb Cake relies on simple, everyday ingredients such as (475 ml) mini marshmallows, (700 ml) rhubarb, chopped, (225 ml) sugar and (125 ml) water. It comes together quickly and makes 4 servings, at about 202 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 Rhubarb 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