Definition: In this task, you have to generate the title of the recipe given its required ingredients and directions.
Input: ingredients:  '3 c. mashed sweet potatoes (about 5 to 6 fresh)', '1/2 c. sugar', '1/2 c. butter', '3 eggs', '2 tsp. vanilla', '1/2 c. milk',<sep> directions: 'Cube potatoes and boil.', 'Mash with electric mixer.', 'Combine all ingredients and mix.', 'Set aside.'

Sweet Potato Pie