Definition: In this task, you have to generate the title of the recipe given its required ingredients and directions.
Input: ingredients:  '3 c. cooked mashed sweet potatoes', '1/2 c. melted butter', '2 eggs, well beaten', '1 c. sugar', '1 tsp. vanilla', '1/3 c. milk',<sep> directions: 'Mix all ingredients and pour into 2-quart casserole.', 'Cover with Topping.'

Sweet Potato Casserole