Given the task definition and input, reply with output. In this task, you have to generate the title of the recipe given its required ingredients and directions.

ingredients: '2 lb. ground beef', '1 1/2 C. ketchup', '1/2 C. chopped onion', '1/2 C. celery', '1/2 C. brown sugar', '1/2 C. vinegar', '2 Tbsp. mustard',<sep> directions: 'Brown beef in skillet, stirring often. Add all other ingredients. Stir well. Bake at 350 degrees 30-40 minutes.'
Sloppy Joes