1 prepared pie crust (any kind, 9 inch)
1 env. unflavored gelatin
3/4 c. sugar
4 eggs, separated
1/2 c. water
2 c. lemon juice
1 tsp. lemon peel
2 to 3 drops yellow food coloring

In saucepan, mix gelatin and 1/2 cup sugar. Blend in yolk, water, and lemon juice. Let stand 1 minute. Heat, stirring constantly, until gelatin is dissolved and eggs thicken. Add peel and coloring. Chill until mixture mounds slightly. Beat whites until foamy. Add remaining 1/4 cup sugar. Beat until stiff but not dry. Fold in gelatin mixture. Spoon into crust. Chill 3 to 4 hours.