Definition: In this task, you have to generate the title of the recipe given its required ingredients and directions.
Input: ingredients:  '1/2 cup sour cream', '1/2 cup mayonnaise', '2 tbsp. Dijon mustard', '1 tbsp. horseradish, grated', '2 tbsp. scallions, finely chopped', '1/2 tsp. lemon juice',<sep> directions: 'Mix all ingredients in a small bowl and mix well.', 'Chill for one hour.'

Dijon-Horseradish Dressing