Key Lime Custard 

Sweetened Condensed Milk    40 OZ.
Egg Yolks    8 OZ.
Key Lime Juice    8 OZ.

O  Mix all 3 ingredients in a bowl with the paddle attachment, set aside and refrigerate.
O  Pour into a graham cracker crust and bake at 325F until the center is set.
O  Allow to cool several hours in a refrigerator.

Graham Cracker Crust 

Graham cracker crumb    10 OZ
All Purpose Flour    1 OZ
Granulated Sugar    ¾ OZ
Butter, unsalted    4 OZ

O  Combine the 1st 3 ingredients in a mixing bowl with the paddle attachment on the lowest speed.
O  Add the melted butter until mixed evenly.
O  Press into a spring form pan and bake at 350F for 8-10 minutes until toasted.
Top pie with whipped cream and lime zest.