This is the best Key Lime Pie we’ve ever eaten and it only has 4 ingredients! One of the easiest make-ahead desserts you can make!
Preheat oven to 350. In a medium bowl, combine egg yolks, sweetened condensed milk, and lime juice. Distribute evenly among graham cracker crusts (I used my cookie scoop to make sure things were equal). Place tart pans on a baking sheet and bake in preheated oven 10-11 minutes. Remove from oven and allow to cool to room temperature, then chill in fridge until ready to serve.