Definition: In this task, you have to generate the title of the recipe given its required ingredients and directions.
Input: ingredients:  '3 graham crackers pie shells', '2/3 c. peanut butter', '8 oz. cream cheese', '1 c. milk', '2 c. powdered sugar', '1 tsp. vanilla', '16 oz. Cool Whip',<sep> directions: 'Cream peanut butter and cream cheese. Gradually add powdered sugar and milk, then vanilla and Cool Whip. Spread in pie shells. Chill.'

Peanut Butter Pie