Key Lime Pie - cooking recipe

Ingredients

1 can condensed milk
4 egg yolks
1/2 c. lime juice

Preparation

Combine milk, egg yolks and lime juice.
Beat 1 egg white stiff.
Fold into milk mixture.
Beat 3 egg whites and gradually add 6 tablespoons sugar and 1/2 teaspoon cream of tartar.
Put into baked pie shell; bake until egg whites are golden brown at 350\u00b0.