Key Lime Pie - cooking recipe

Ingredients

1 can condensed milk
4 egg yolks (save egg whites)
1/4 c. lime juice
1/4 c. lemon juice
1 baked pie crust
4 egg whites
6 Tbsp. sugar
1/2 tsp. cream of tartar

Preparation

Combine condensed milk, egg yolks, lime juice and lemon juice; set aside.
Beat 1 egg white stiff.
Fold into first mixture. Beat 3 remaining egg whites and gradually add sugar and cream of tartar.
Put into baked pie shell and bake at 350\u00b0 until brown.