01 -
Stir together graham cracker crumbs, sugar, and melted butter. Press firmly into the bottom of a 9-inch springform pan. Bake at 350°F (175°C) for 8 to 10 minutes until fragrant and lightly golden. Let cool completely.
02 -
In a large bowl, beat the softened cream cheese and granulated sugar with an electric mixer until smooth and creamy, about 2 minutes. Add the lime juice, lime zest, and vanilla extract, and mix until just combined.
03 -
In a separate bowl, whip 1 cup of the cold heavy cream until stiff peaks form. Gently fold the whipped cream into the cream cheese mixture in two additions, keeping as much air in the batter as possible.
04 -
Pour the filling over the cooled crust and smooth the top with a spatula. Refrigerate for at least 4 hours, or overnight for the cleanest slices.
05 -
Whip the remaining 1 cup heavy cream with the powdered sugar until stiff peaks form. Fold in the lime juice and lime zest until evenly distributed.
06 -
Spread or pipe the lime mousse over the chilled cheesecake. Return to the refrigerator for at least 1 hour to let the layers set together before slicing.