Ingredients
Equipment
Method
Preparation
- Slice the onions thinly and melt butter in a large pot or Dutch oven over medium heat.
- Add the sliced onions to the pot and cook, stirring occasionally, for 30-40 minutes until deeply caramelized and tender.
Cooking
- Pour in the beef broth and dry sherry or white wine, then bring to a simmer and cook for 20 minutes.
- Season the soup with salt and pepper to taste.
Serving
- Preheat your oven broiler and slice the baguette into 1-inch thick rounds.
- Ladle the soup into oven-safe bowls, top with baguette slices, and sprinkle generously with shredded Gruyère cheese.
- Broil for 2-3 minutes, or until the cheese is melted and bubbly and the baguette is golden brown.
Notes
For extra flavor, you can add a pinch of sugar to the onions while caramelizing. If you don't have Gruyère, Swiss cheese also works well.
