tropical chiffon pie

1 envelope Knox Unflavored Gelatine

1 cup sugar, divided

⅛ tsp. salt

4 eggs, separated

½ cup lemon or lime juice

¼ cup water

2 tsps. grated lime or lemon rind

9-inch pie shell or crumb crust

Mix gelatine, ½ cup sugar and salt in saucepan. Beat egg yolks, juice and water together, add to gelatine mixture. Cook over low heat, stirring constantly, until gelatine is dissolved, about 5 minutes. Remove from heat, stir in grated rind. Chill until mixture mounds slightly when dropped from a spoon. Beat egg whites stiff, beat in remaining ½ cup sugar, and fold into gelatine mixture. Turn into pie shell, chill until firm. Makes 6 to 8 servings.