4 eggs, separated (reserve 3 whites for meringue)
1 can (14 oz.) sweetened condensed milk
1/2 c. lime juice
3 tsp. grated lime peel
Few drops green food color
1 baked 9" pastry shell
1/2 tsp. cream of tartar
1/2 c. sugar

Beat 4 egg yolks; stir in milk, lime juice, peel and food color. Beat 1 egg white until stiff and fold into milk mixture. Turn into pastry shell.

Beat 3 egg whites with cream of tartar until foamy; gradually add sugar, beating until stiff but not dry. spread meringue on top of pie, sealing carefully to edge of shell. Bake at 350 degrees for 15 minutes or until meringue is golden. Cool. Chill before serving.