Rhubarb Pie
["1 (9-inch) unbaked pie shell", "2 c. sugar", "3 Tbsp. all-purpose flour", "1/4 tsp. salt", "3 Tbsp. butter or margarine", "3 eggs, separated", "3 c. fresh rhubarb"]
["Combine 1 1/2 cups sugar with flour, salt, butter and egg yolks.", "Beat well.", "Beat egg whites until stiff, adding 1/2 cup sugar.", "Fold into egg yolk mixture; fold in rhubarb.", "Pour into unbaked pie shell.", "Bake in preheated oven at 400\u00b0 for 10 minutes, reduce heat to 325\u00b0 and bake 40 to 50 minutes."]
["shell", "sugar", "flour", "salt", "butter", "eggs", "fresh rhubarb"]