Step 1

Preheat oven to 350 F°

Step 2

In the bowl of a stand mixer or in a medium size bowl with an electric mixer, beat the egg yolks and the condensed milk for three minutes or until the mixture has thickened. The mix will turn a pale yellow when finished.

Step 3

Add 1/2 cup key lime juice and beat for another minute.

Step 4

Zest one lime over the top of the mixture and stir to combine

Step 5

Pour into prepared graham cracker crust.

Step 6

Bake at 350 for 15-20 minutes or until center of pie is no longer wobbly.

Step 7

Let rest and cool on counter for an hour.

Step 8

Refrigerate for at least three hours before serving.

Step 9

Slice into eight wedges and serve with whipped cream.