2 tbsp butter
1 tbsp olive oil
1 onion, finely chopped
2 cloves garlic, minced
500 g mushrooms, sliced
2 tbsp all-purpose flour
4 cups vegetable or chicken broth
1 cup milk or cream
1 tsp salt
1/2 tsp black pepper
1/2 tsp dried thyme
1 tbsp chopped parsley
Heat butter and olive oil in a pot over medium heat
Add onion and cook until soft
Add garlic and cook briefly
Add mushrooms and cook until browned and tender
Stir in flour and cook for 1 minute
Slowly pour in broth while stirring
Add salt, black pepper, and thyme
Bring to a boil, then reduce heat and simmer for 15 to 20 minutes
Stir in milk or cream
Cook for 2 to 3 more minutes
Add parsley
Serve hot