Ingredients
Method
- Heat oil in a pot over medium. Add onion and cook 4 minutes until soft.
- Add mushrooms and thyme. Cook until they release liquid, about 6 minutes.
- Stir in flour and cook 1 minute. Slowly add broth while stirring to avoid lumps.
- Add bay leaf and simmer 10 minutes. Remove bay leaf.
- Stir in milk and butter. Warm through but do not boil. Taste and add pepper.
- Blend half the soup for creaminess or use an immersion blender briefly.