Rhubarb Pudding
["4 c. rhubarb, diced", "1 1/2 c. sugar", "1/4 tsp. salt", "2 Tbsp. flour", "1 egg", "3 Tbsp. butter"]
["Melt butter and mix with ingredients.", "Put in cake pan."]
["rhubarb", "sugar", "salt", "flour", "egg", "butter"]