Mock Lemon Pie (Rhubarb)
["1 c. rhubarb", "1 c. sugar", "1 Tbsp. butter", "2 heaping Tbsp. flour", "1 1/4 c. water", "3 eggs, separated", "1 Tbsp. lemon extract", "pinch of salt"]
["Cut up and measure rhubarb.", "Add 1 cup of water and boil until rhubarb can be well blended by whipping.", "Make pie shell and put in oven."]
["rhubarb", "sugar", "butter", "flour", "water", "eggs", "lemon extract", "salt"]