4 eggs
1 can sweetened condensed milk
1/2 c. lime juice (key limes if possible)
6 tbsp. of sugar
1/2 tsp. cream of tartar

Preheat oven to 250 degrees. Drops of green food coloring may be put in filling if you would like it green. Beat 4 egg yolks add condensed milk and lime juice. Beat until thick, pour into baked pie shell.

For topping beat 4 egg whites. Blend in sugar and cream of tartar. Beat until stiff and forms peaks, bake in moderate oven until egg whites are golden brown.