This no-bake Key Lime Pie recipe is perfect for those hot summer days when you don't want to turn on the oven. The crust is made with crushed graham crackers and butter, while the filling is made with key lime juice, sweetened condensed milk, and whipped cream. The pie is chilled until set and then garnished with whipped cream and lime slices. It's a quick and easy dessert that's sure to impress your guests.