easy key lime pie

1 (14 oz.) can sweetened condensed milk
1 (6 oz.) can frozen limeade concentrate (not thawed)
1 cup heavy cream
1 (6 oz.) graham cracker piecrust
zest of 1 lime

1. Place the condensed milk, limeade concentrate, and cream in the bowl of an electric mixer fitted with the whisk attachment. Beat until fluffy and soft peaks form.
2. Pour the filling into the piecrust and smooth the top. Refrigerate until chilled and loosely set, at least 4 hours (and up to overnight).
3. Sprinkle the pie with the zest before serving.

Serves 6 Hands-On Time: 10m Total Time: 4hr 10m
Source: Real Simple Magazine