French Onion Soup is a classic dish known for its rich, caramelized onion flavor, topped with melted cheese and crusty bread, providing warmth and comfort.
Prep Time15 minutesmins
Cook Time40 minutesmins
Total Time55 minutesmins
Course: Main
Cuisine: French
Keyword: Comfort Food
Servings: 4servings
Equipment
Large Pot
Oven
Baking Sheet
Oven-safe Bowls
Ingredients
Onions
4largeyellow onionsApproximately 2 to 2.5 pounds, firm and golden.
Fats
4tablespoonsunsalted butterFor caramelizing the onions.
1tablespoonolive oilPrevents butter from burning.
1teaspoonsugarEnhances caramelization.
Broth
8cupsbeef brothUse low-sodium for better control of saltiness.
1teaspoondried thymeAdds earthy flavor.
1leafbay leafInfuses subtle herbal flavor.
Seasoning
Salt and pepperTo taste.
Bread
8slicesFrench baguetteCrusty bread for topping.
Cheese
2cupsgrated Gruyère cheeseMelts beautifully and adds nutty flavor.
Instructions
Peel and slice the onions thinly, approximately 1/4 inch thick.
Melt the butter and olive oil in a large pot over medium heat. Add the sliced onions and stir to coat.
Sprinkle sugar over the onions, reduce heat to medium-low, and cook for 30-40 minutes until caramelized.
Add thyme and bay leaf, cooking for an additional minute.
Pour in the beef broth, scraping the bottom to deglaze. Bring to a simmer and season with salt and pepper. Let simmer for 20 minutes.
Preheat oven to 400°F (200°C). Toast baguette slices on a baking sheet for 5-7 minutes until golden.
Remove bay leaf, ladle soup into oven-safe bowls, top with toasted baguette and sprinkle with cheese.
Broil in the oven for 2-5 minutes until cheese is melted and bubbly.
Remove from oven, let cool slightly, garnish with thyme, and serve immediately.
Notes
This soup can be made ahead of time and reheated. Store leftovers in an airtight container for up to three days.