Key Lime Pie

Directions

1. 1
   Preheat oven to 250°.
2. 2
   Beat egg yolks in a medium mixing bowl. Pour in condensed milk, stirring constantly.
3. 3
   Add lime juice and rind. Add food coloring; stir until blended.
4. 4
   Pour mixture into graham cracker crust.
5. 5
   Place pie in oven and bake 15 minutes. Transfer to rack; let cool.
6. 6
   Spread Cool Whip on cooled pie.