Definition: In this task, you have to generate the title of the recipe given its required ingredients and directions.
Input: ingredients:  '2 cans of mix vegetable, drained', '1 onion, chopped', '1 can French green beans', '1 c. chopped celery', '1 c. mayonnaise', '1 c. cheddar cheese', 'Ritz Cracker crumbs', '1 stick of butter', 'Water chestnuts (optional)',<sep> directions: 'Mix vegetable, onion, beans, celery, mayonnaise and cheese. Place in casserole dish and cover with cracker crumbs.', 'Melt stick of butter and drizzle over casserole.', 'Add water chestnuts if desired.', 'Bake 30 minutes at 350°.'

Vegetable Casserole