Cottage Pudding Cake
["1 3/4 c. flour", "2 tsp. baking powder", "1/4 c. shortening", "3/4 c. milk", "1/2 tsp. salt", "1 egg", "3/4 c. sugar", "1 tsp. vanilla", "2 Tbsp. butter", "1 c. sugar", "1 pt. hot water", "2 to 3 Tbsp. cornstarch"]
["Add vanilla flavoring to taste. Cook until thick and serve over warm cake."]
["flour", "baking powder", "shortening", "milk", "salt", "egg", "sugar", "vanilla", "butter", "sugar", "water", "cornstarch"]