Mom'S Rhubarb Custard Pie
["pastry for a 9-inch pie crust and a lattice top", "1 c. sugar", "3 Tbsp. flour", "2 c. diced rhubarb", "1 egg, well beaten (Egg Beaters or Scramblers may be used with good results)"]
["Blend", "and mix well the eggs, sugar and flour.", "Stir in the rhubarb.", "Pour into a prepared unbaked pie shell and cover with", "a lattice top.", "Bake at 450\u00b0 for 10 minutes, then reduce heat and bake at 350\u00b0 for 30 minutes.", "Serve warm with vanilla ice cream, nonfat frozen yogurt or whipped cream."]
["pastry", "sugar", "flour", "rhubarb", "egg"]