Key Lime Pie 2 ready made graham cracker crusts 2 14 ounce cans sweetened condensed milk 1 cup lime juice 2 whole eggs 1 container 16 ounce sour cream 3 tablespoons powdered sugar Preheat oven to 375 degrees. In a bowl, combine condensed milk, lime juice, and eggs. Whisk until well blended and pour into the pie shells. Bake for 15 minutes and then allow to cool in the fridge for at least two hours. Once chilled, combine the sour cream with the powdered sugar and spread over the pies evenly using a spatula. Return to fridge until ready to serve.