Bake this irresistible Key Lime Mousse at home. Made with gelatin, water cold, water boiling and lime juice fresh. Easy step-by-step instructions included.
This Key Lime Mousse relies on simple, everyday ingredients such as water cold, water boiling, lime juice fresh and lime zest grated. It comes together quickly and makes 4 servings, at about 987 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 Mousse 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