Rhubarb Upside-Down Cake
["4 c. finely cut rhubarb", "3/4 c. sugar", "2 Tbsp. flour", "1/2 tsp. cinnamon", "2 Tbsp. strawberry jello", "1/4 c. margarine"]
["Preheat oven to 350\u00b0.", "In a warm skillet, combine the rhubarb, sugar, flour, cinnamon, jello and margarine. Stir until melted, then set aside to cool."]
["rhubarb", "sugar", "flour", "cinnamon", "strawberry jello", "margarine"]