Ingredients
Instructions
- Melt butter in a large saucepan over a medium heat.
- Fry onions in butter until transparent.
- Add mushrooms and black pepper and fry, stirring frequently, for 10 minutes.
- Sprinkle over flour, stir into the mushroom mixture with a wooden spoon and cook for 30 seconds.
- Remove saucepan from heat.
- Gradually add chicken stock and white wine, stirring constantly.
- Return saucepan to heat, bring to boil, then lower heat and simmer for 20 minutes.
- Add mustard, then blend soup until smooth with a stick mixer or blender.
- Stir in cream, check seasonings (you shouldn't have to add salt, but check) and reheat.