Instructions
- Melt butter in a large pot over medium heat. Add onions and cook slowly, stirring occasionally, until caramelized and golden brown (about 30 minutes).
- Add minced garlic; cook 2 minutes more.
- Pour in beef broth and red wine (if using). Stir in bay leaf and thyme. Season with salt and pepper. Simmer 20-30 minutes.
- Preheat oven to 350°F (175°C). Toast baguette slices until crispy.
- Remove bay leaf from soup. Ladle soup into oven-safe bowls.
- Top with toasted baguette slices.
- Sprinkle generously with cheese.
- Broil until cheese is melted and bubbly (2-3 minutes).
- Carefully remove from oven and let cool slightly before serving.
Keto and Low-Carb Variations
Make it Keto/low-carb by substituting:
- Cauliflower or zucchini for onions
- Vegetable broth for beef broth
- Keto-friendly wine substitute or omit wine
- Low-carb bread or omit bread
- Low-fat, low-carb, or dairy-free cheese
Tips for the Best Soup
- Use sweet onions (Vidalia or Walla Walla) for a milder flavor.
- Caramelize onions slowly for best flavor.
- Add a splash of sherry or balsamic vinegar during caramelization for richer flavor.
- Experiment with different cheeses (cheddar, mozzarella).
- Serve with a side salad or crusty bread.
Conclusion
This Easy French Onion Soup is a simple yet satisfying dish perfect for any occasion. The combination of caramelized onions, flavorful broth, and gooey cheese is irresistible! Enjoy!
FAQs
- Can I make it ahead? Yes! Store in the refrigerator for up to 3 days; add toppings just before serving.
- Can I freeze it? Yes, but the onion texture may change. Best enjoyed fresh.
- Can I use vegetable broth? Yes, but the flavor will differ.
- Can I use different cheese? Absolutely! Choose a cheese that melts well.
- Can I use a slow cooker? Yes, caramelize onions on the stovetop, then transfer everything to the slow cooker. Cook on low for 6-8 hours or high for 3-4 hours.