Orange Cheese Pie

graham cracker crust
3 tsp. unflavored gelatin
1/2 cup sugar
3 egg yolks
1/2 cup water
6 oz. orange juice concentrate, thawed
16 oz. cottage cheese, sieved
3 egg whites
1/4 cup sugar
1 cup sour cream

Combine gelatin and 1/2 cup sugar, beat in egg yoks. Stir in orange juice concentrate and 1/2 cup water and heat to just boiling. Cool. Stir in cottage cheese and place in bowl of ice to speed setting. Chill till mounds. In seperate bowl, beat egg whites, beat in sugar, stir in sour cream. Fold egg whites and cream into orange mixture. Pour into pie shell and chill until set. Garnish with thin slices of orange.