Prepared Graham Cracker Crust
Cans (14 oz.) Sweetened Condensed Milk
Cup Sour Cream
Cup Key Lime Juice
T. Grated Lime Zest
Preheat oven to 350 degrees. In a bowl combine all ingredients, mix well until smooth, and pour into Graham cracker crust. Throw into the oven for 10 minutes. Let cool for just a bit, then cover and put in the fridge, once chilled then serve!