Orange Pie - cooking recipe

Ingredients

1 c. condensed (not evaporated) milk
4 eggs, divided
1/2 c. sour orange pieces
6 Tbsp. sugar
1/2 tsp. cream of tartar
baked pie shell

Preparation

This is made from sour oranges.
Mix milk and egg yolks and slowly add sour orange pieces.
Beat 1 egg white until stiff. Fold into sugar and orange mixture.
Pour in baked shell.