Bake this irresistible Ruby Red Grapefruit Cake at home. Made with baking spray, flour, white sugar and baking powder. Easy step-by-step instructions in…
This Ruby Red Grapefruit Cake relies on simple, everyday ingredients such as nonstick baking spray, all-purpose flour, white sugar and baking powder. It comes together quickly and makes 4 servings, at about 1970 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 Ruby Red Grapefruit 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