Rhubarb Whipped Cream Pie
["2 Tbsp. unflavored gelatin", "1/2 c. cold water", "2 1/2 c. stewed rhubarb", "1 c. sugar", "1 c. heavy cream, whipped", "1 pastry pie shell or graham cracker shell for 9-inch pie"]
["Soften gelatin in water.", "Heat rhubarb and sugar to boiling; add gelatin and stir until dissolved.", "Cool.", "When mixture begins to thicken; fold in whipped cream.", "Pour into pie shell and chill for 1 hour."]
["unflavored gelatin", "cold water", "rhubarb", "sugar", "heavy cream", "pastry pie shell"]