Bake this irresistible Lemon Orange Rainbow Cake at home. Made with lemon cake mix, orange flavor, boiling water and orange juice. Easy step-by-step ins…
This Lemon Orange Rainbow Cake relies on simple, everyday ingredients such as lemon cake mix, boiling water, orange juice and to 12 oz. cool whip. It comes together quickly and makes 4 servings, at about 571 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 Lemon Orange Rainbow 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