Rhubarb Crisp
["4 c. cut rhubarb, unpeeled (1/2 inch)", "1 c. sugar", "1/4 c. unsifted flour", "1/2 tsp. cinnamon or more to taste", "1/2 c. cold water", "red food coloring"]
["Pour mixed dry ingredients over rhubarb pieces in a bowl.", "Add cold water and mix together.", "Add food coloring.", "Pour into a greased pan.", "Cover with topping."]
["cut rhubarb", "sugar", "flour", "cinnamon", "cold water", "red food coloring"]