Mile-High Lime Pie

Ingredients
- 1 can 14 oz fat-free sweetened condensed milk
- 1 c 8 oz reduced-fat sour cream
- 13 c plus 2 Tbsp lime juice
- 5 drops green food coloring optional
- 1 carton 8 oz frozen reduced-fat whipped topping thawed
- 1 reduced-fat graham cracker crust 8 inches
Directions
- In a bowl combine the milk sour cream lime juice and food coloring if desired Fold in whipped topping Pour into the crust Refrigerate for at least 12 hours