Ingredients
Method
- Melt the butter in a Dutch oven over medium-low heat and add the onions and salt.
- Cook for 20 to 25 minutes until very soft and pale gold without deep browning.
- Stir in the flour for 2 minutes, then whisk in the broth and milk.
- Add the black pepper and nutmeg and simmer for 10 minutes until lightly thickened.
- Blend one quarter of the soup to smooth the base while leaving onion strands visible.
- Remove from direct heat, stir in the cheddar and warm gently to 165°F.