Bake this irresistible Rhubarb Custard Cake at home. Made with yellow cake mix, sugar and rhubarb. Easy step-by-step instructions included.
This Rhubarb Custard Cake relies on simple, everyday ingredients such as box yellow cake mix, sugar, rhubarb, diced and half and half. It comes together quickly and makes 4 servings, at about 504 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 Custard 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