Bake this irresistible Key Lime Mousse Pie at home. Made with graham crackers, sugar, butter and fresh key lime juice. Easy step-by-step instructions in…
This Key Lime Mousse Pie relies on simple, everyday ingredients such as crushed graham crackers, sugar, (1 stick) butter, melted and fresh key lime juice. It comes together quickly and makes 4 servings, at about 3259 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 Pie 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