Rhubarb Custard Pie
["3 c. rhubarb, cut in 1/2-inch pieces", "2 c. sugar", "2 Tbsp. flour", "3 eggs, separated", "1 c. milk", "1 unbaked 9-inch pie shell", "2 Tbsp. sugar"]
["Beat egg yolks.", "Add sugar, flour and milk, then add rhubarb. Pour into unbaked pie shell that has been sprinkled with 1 tablespoon flour.", "Bake in a 350\u00b0 oven for 3/4 hour or until custard is set."]
["rhubarb", "sugar", "flour", "eggs", "milk", "shell", "sugar"]