Ingredients
Method
Preparation
- In a crock pot, melt butter and add the sliced onions. Cook on low for about 6 hours, stirring occasionally, until caramelized.
- Add the beef broth, white wine, sugar, salt, and pepper to the crock pot.
- Cover and cook on low for an additional 2-3 hours.
- Preheat the oven broiler.
- Ladle the soup into oven-safe bowls, top with sliced baguette and gruyère cheese.
- Place bowls under the broiler for about 2-3 minutes, until the cheese is bubbly and golden.
- Serve hot and enjoy!
Notes
Pairs well with green salad or roasted vegetables. Store leftovers in an airtight container for up to 3 days, or freeze for up to 3 months.
