Key Lime Pie

Directions

1. 1
   Beat the egg yolks until lemon colored.
2. 2
   Blend in the condensed milk and slowly add lime juice and salt; mix well.
3. 3
   Add the cream of tartar to the egg whites and beat until foamy. Continue beating, adding sugar, one tablespoon at a time, until peaks form.
4. 4
   Fold 6 tablespoons of the meringue into the filling mixture and pour into a baked pie shell.
5. 5
   Top with the remaining meringue, sealing the edges carefully.
6. 6
   Bake at 330° until golden brown.