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 ounces vegetable oil or 2 ounces butter', '2 lbs carrots, peeled and sliced', '1 large red onion, peeled and chopped', '1/2 teaspoon coriander seed, crushed', '1/2 teaspoon coriander, ground', '1/2 teaspoon mace', '2 teaspoons brown sugar', '1/2 teaspoon salt (to taste)', '1/4 teaspoon pepper (to taste)', '4 teaspoons lemon juice', '8 -10 cups vegetable stock (not all added at once)', '3 tablespoons pearl barley', '1 1/3 cups heavy cream (optional)', '1/2 cup cilantro, chopped (to garnish)',<sep> directions: 'Heat oil or butter in a pan large enough to hold all the ingredients.', 'Add carrots and onion. Stir well. Cover and cook for about 5 minutes.', 'Add crushed coriander seeds, ground coriander and mace. Cook for 1 minute, stirring constantly.', 'Add 6 cups of vegetable stock, and all other ingredients except the additional stock, and the cream and cilantro. Bring to a boil, then simmer for 30-40 minutes or until carrots and barley are tender.', 'Whiz the soup in a food processor (you'll probably need to do this in at least two batches), and return to cooking pan.', 'Stir in the last 2-4 cups of vegetable stock (depending on how thin a soup you want) and the cream, if used.', 'Heat through, but do not boil.', 'Serve, garnished generously with chopped cilantro.'
Carrot Coriander Soup