This easy key lime pie recipe tastes so fresh and tangy, bursting with flavor and just sweet enough! Keep it simple with 4 ingredients for a delicious summertime treat!
In a large bowl, combine lime juice, zest, egg yolks, and milk and whisk well (or use an electric mixer). The mixture will thicken as the citrus reacts with the milk.
Pour into a baked pie crust and bake for 15-17 minutes, or until the center is set but still jiggly (think thick Jell-o).
Allow to cool on a rack for 1-2 hours, to room temperature, then store covered in the refrigerator.