Making your Easy No Bake Key Lime Pie is straightforward when you follow these simple steps:

1. Prepare the Crust: In a medium bowl, combine graham cracker crumbs, granulated sugar, and melted butter. Mix until well combined.
2. Form the Crust: Press the mixture into the bottom and up the sides of a 9-inch pie dish. Make sure it’s even and compact.
3. Chill the Crust: Place the crust in the refrigerator for about 30 minutes to set.
4. Make the Filling: In a large bowl, whisk together the sweetened condensed milk, sour cream, key lime juice, and lime zest until smooth.
5. Fill the Crust: Pour the lime filling into the chilled graham cracker crust, spreading it evenly.
6. Chill Again: Cover the pie with plastic wrap and refrigerate for at least 4 hours, or overnight for best results.
7. Serve: Before serving, top with whipped cream and garnish with lime slices if desired.

These steps will help you create a delicious, refreshing pie that your friends and family will love!