Rhubarb Custard Pie
["2 1/2 c. rhubarb, cut up", "1 1/4 c. sugar", "3 Tbsp. melted butter", "3 Tbsp. flour", "1/2 tsp. cinnamon", "1/2 tsp. grated lemon rind"]
["Stir all and put into a 9 or 10-inch pie crust.", "Beat 3 eggs and 1 cup milk and pour over pie.", "Prepare a lattice top crust. Bake for 10 minutes at 450\u00b0, then 350\u00b0 for 30 minutes."]
["rhubarb", "sugar", "butter", "flour", "cinnamon", "lemon rind"]