4 eggs, separated
1 c. sugar
1 env. Knox gelatin
1/2 c. Cool Whip
2/3 c. Key lime juice
1 finely grated rind of Key lime
1/2 tsp. salt
Baked 9 inch pie crust
Whipped cream or Cool Whip

Beat egg yolks. Add 1/2 cup sugar, lime juice, and salt. Cook in double boiler until mixture coats a spoon. Remove from heat and add gelatin (dissolved in water) and rind. Mix well and chill until mixture begins to thicken. Beat egg whites with remaining sugar until they form soft peaks. Fold whites into chilled mixture. Pour into the baked pie crust and chill. Before serving, spread pie with whipped topping. Serves 6.