French Onion Soup is a classic dish known for its rich, savory flavors and gooey cheese topping. This recipe will guide you through creating this comforting delight step by step. So, roll up your sleeves and let’s get cooking!Ingredients:
Here are the ingredients you’ll need to make this French Onion Soup:

Ingredients:
3 pounds yellow onions, thinly sliced
2 tablespoons unsalted butter, melted
2 tablespoons olive oil
¼ cup balsamic vinegar
2 sprigs of fresh thyme
8 cups beef stock
1.5 cups shredded Gruyere cheese
Salt and pepper, to your liking
Optional: ⅓ cup of brandy
To serve: Crunchy bread slices

Instructions:
1. Caramelizing the Onions
Pour the onions into your slow cooker.
Drizzle in butter, olive oil, and season with salt and pepper.
Set to low and let it work its magic for 10-12 hours till the onions are golden.
2. Adding Flavor
Stir in the beef stock, balsamic vinegar, and thyme leaves.
Cook covered on low for another 6-8 hours. Season as needed, and feel free to add the brandy.
3. Preparing the Topping
Get your oven ready at 350°F (180°C).
Spoon the soup into oven-proof bowls and place them on a baking sheet.
Crown each bowl with toasted bread and a sprinkle of Gruyere cheese.
Bake for 20-30 minutes till cheese melts. For an extra golden touch, broil for 2-3 minutes.
4. Serve and Enjoy
Once cooled a tad, dive into your comforting bowl of French Onion Soup! The beautiful union of caramelized onions, aromatic broth, and rich cheese guarantees a meal that hugs your soul and pleases your palate.

Enjoy!