Ingredients
Method
- Prepare the onions by slicing them thinly.
- Melt the butter in the slow cooker and add the sliced onions.
- Add thyme, Worcestershire sauce, salt, and pepper.
- Pour in the beef broth and white wine.
- Cover and cook on low for 6-8 hours or high for 3-4 hours.
- Taste and adjust seasoning if necessary.
- Serve hot and top with baguette slices and Gruyère cheese.
