Rhubarb Custard Pie
["2 (9-inch) unbaked pie shells", "4 1/2 c. sugar", "6 c. diced rhubarb", "5 eggs", "6 Tbsp. flour", "12 Tbsp. Carnation milk"]
["Mix all ingredients; pour into pie shells.", "Bake at 400\u00b0 for 15 minutes.", "Reduce heat to 350\u00b0; bake 30 to 40 minutes longer, until knife inserted near center comes out clean."]
["sugar", "rhubarb", "eggs", "flour", "Carnation milk"]