Adapted from Two Peas and Their Pod
Preheat the oven to 175°C. In a medium bowl, stir together the cookies, sugar, and melted butter with a fork. Press mixture into a 9-inch pie dish, pat flat, and bake for about 10-15 minutes until just browning.
Prepare filling in a medium bowl by whisking together sweetened condensed milk and egg yolks, lime zest, and lime juice then set aside.
Cool pie crust completely, then pour the filling into the crust and bake for 15 minutes.
Chill the pie in the refrigerator for at least one hour before serving.