Bake this irresistible Key Lime Mousse at home. Made with vanilla, lime juice, nonfat sweetened condensed milk and sugar. Easy step-by-step instructions…
This Key Lime Mousse relies on simple, everyday ingredients such as plus 1 tablespoon sugar, plus 1 tablespoon water, large egg whites and a pinch cream of tartar. It comes together quickly and makes 4 servings, at about 333 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