Key Lime Pie

Directions

1. 1
   Preheat the oven to 325 degrees.
2. 2
   With an electric mixer, beat the egg yolks on high speed until thick and light in color.
3. 3
   Add the condensed milk and mix on low speed.
4. 4
   Still on low speed, add half the lime juice, cream of tartar and then the remaining lime juice, mixing after each addition.
5. 5
   Mix well until blended.
6. 6
   Pour into pie crust and bake for 10 to 15 minutes, or until the center is firm and dry to the touch.
7. 7
   Freeze for at least 3 hours.
8. 8
   Serve with whipped cream.