Base: * 1 cup sifted flour * 1/4 tsp. salt * 2 Tbsp. Sugar * 1/2 cup softened butter or margarine Topping: * 4 cups diced rhubarb * 1/4 cup water * 1 1/4 cup Sugar * 2 envelopes unflavored gelatin * 1/3 cup cold water * red food coloring (optional) * 1/2 pint whipping cream, whipped or whipped topping of choice