Bake this irresistible Key Lime Cake at home. Made with Cake, lemon cake mix, Lime Jello and vegetable oil. Easy step-by-step instructions included.
This Key Lime Cake relies on simple, everyday ingredients such as cake, (3 oz.) pkg of lime jello, vegetable oil and eggs. It comes together quickly and makes 4 servings, at about 1952 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 Key Lime 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