Definition: In this task, you have to generate the title of the recipe given its required ingredients and directions.
Input: ingredients:  '1/2 qt. sauerkraut', '1 c. chopped mushrooms', '2 qt. water', 'salt and pepper to taste', '2 Tbsp. butter', '1 small onion', '1 Tbsp. flour',<sep> directions: 'Rinse sauerkraut twice. Wash mushrooms. Cover sauerkraut and mushrooms with water and cook until tender (about 1 1/2 hours). Chop onion and fry in butter and add to soup.', 'Brown flour in the other tablespoon of butter until nut brown.', 'Pour 3 tablespoons of soup into the browned flour.', 'Mix and add to soup. Bring to boiling point and serve.'

Sauerkraut Soup