01 -
Mix graham cracker crumbs, granulated sugar, melted butter, and salt until evenly moistened. Press firmly into the bottom and sides of a 9-inch pie plate, then chill while making the filling.
02 -
Beat the cold heavy cream and powdered sugar with a hand mixer or stand mixer until stiff peaks form, about 3-5 minutes. Do not overbeat.
03 -
In a large bowl, whisk the sweetened condensed milk, thawed lemonade concentrate, lemon zest, vanilla, and salt until smooth and glossy.
04 -
Add the whipped cream to the lemon base. Fold gently with a spatula until combined and no white streaks remain.
05 -
Spoon the filling into the chilled crust and smooth the top. Freeze uncovered for at least 6 hours, then wrap tightly until ready to serve.
06 -
Let the pie stand at room temperature for 8-10 minutes before slicing. Garnish with lemon slices, zest, or whipped cream if desired.