Creamy Celery Soup With Egg Yolk

Ingredients

• 2 heads celery (coarser parts)
• 1/2 onion, sliced
• Water
• Butter
• Flour
• Milk
• Salt
• Pepper
• 1 egg yolk
• 2 tbsp cream

Method

1. 1 Wash and chop celery. Place in a saucepan with sliced onion and cover with boiling water. Cook until tender.
2. 2 Press the cooked celery and onion through a sieve, including the cooking water.
3. 3 Make a roux using butter and flour. Add the celery purée and enough boiling milk to reach desired consistency.
4. 4 Season with salt and pepper. Remove from heat and stir in egg yolk and cream.