Frozen Key Lime Pie

Ingredients

• 4 large eggs , separated
• 1 can sweetened condensed milk , 5 ounce
• 0.25 cups Key lime juice
• 0.25 cups white sugar
• 0.25 teaspoons cream of tartar
• 1 prepared graham cracker crust , 9 inch

Instructions

1. 1

   Beat egg yolks in a large bowl until very light and fluffy. Add sweetened condensed milk; beat until doubled in volume. Beat in lime juice; refrigerate yolk mixture until ready to use.

2. 2

   Beat egg whites in a large glass or metal bowl with an electric mixer until foamy; gradually add sugar and cream of tartar, continuing to beat until stiff peaks form.

3. 3

   Gently fold egg whites into yolk mixture until well blended; pour into crust and freeze. Serve frozen.