1 nine-inch graham cracker pie crust, prebaked until golden brown 3 cup condensed milk 4 egg yolks 1 ¼ cup fresh squeezed lime juice Pinch of lime zest 1. Combine all ingredients in a bowl and mix with a hand/stand mixer until mixture comes together. 2. Spoon custard into pie crust. Bake at 350 degrees for 13 minutes and cool to room temperature. 3. Place in freezer and serve just over frozen.