French onion soup is a comforting, rich, and flavorful classic that combines caramelized onions, savory broth, and melted cheese atop crusty bread. Whether you’re making it the traditional way or using an Instant Pot, this soup is perfect for cozy dinners and impressing guests.

How to Make French Onion Soup

Learn the step-by-step process to make French onion soup, starting with slow caramelization of the onions to unlock their deep sweetness, followed by simmering with broth and finishing with broiled cheese on toasted bread.

What ingredients are used in French Onion Soup?

Classic French onion soup uses yellow onions, beef broth, butter, garlic, thyme, bay leaves, salt, pepper, and Gruyère cheese. Variations include chicken broth or vegetable broth for lighter or vegetarian options.

Maggie’s French Onion Soup Recipe by Maggie Conlon
My absolute favorite! It’s time-consuming and a bit of work, but SO worth it! I’ve quit ordering this at restaurants because, even when quite good, it never comes close to my homemade, and I’m always disappointed. This recipe makes a big pot of soup. For an empty-nester single person like me, that’s…

Best Onions for French Onion Soup

Yellow onions are preferred for their balance of sweetness and sharpness, making them ideal for caramelizing perfectly in this soup.

French Onion Soup Calories and Nutrition

French onion soup is relatively moderate in calories but rich in sodium and fat due to the cheese and broth. It can be made healthier with low-sodium broth and less cheese.

Best Cheese for French Onion Soup

Gruyère is the classic cheese for topping French onion soup because it melts beautifully and adds a nutty, savory flavor. Swiss or mozzarella can be used as alternatives.

French Onion Soup With Parmesan/Cheddar Croutons Recipe by ChrisO505
Rich and flavoursome. Good as a starter, entree or go all the way and just fill a massive bowl for main. Some say use beef stock, I say use chicken stock. Beautiful soup!!!

The Secret Ingredient for French Onion Soup

Some chefs add a splash of dry white wine or sherry to enhance the depth of flavor. Others use a touch of sugar to help caramelize onions better.

Is French Onion Soup Healthy?

While flavorful, the soup can be high in sodium and fat. Opting for vegetarian or vegan versions with vegetable broth and dairy alternatives can make it healthier.

What to Eat or Serve with French Onion Soup

Pair this soup with crusty bread, a light salad, or a glass of white wine to complete your meal.


French Onion Soup with Chicken
Add shredded cooked chicken to your soup for a hearty twist.

French Onion Soup Recipe by A.J.
Great recipe for French Onion Soup.

Instant Pot French Onion Soup
Speed up the caramelization and simmering process using an Instant Pot, perfect for busy nights.

Instant Pot French Onion Soup Recipe by Bethy
It’s very rare for most to find time to spend hours in the kitchen to make something delicious. Often, because of the lack of time, quality is substituted for convenience. With the help of the Instant Pot, this French classic takes little cook time, and allows you to get other things done while main…

Panera Bread French Onion Soup
Try recreating the famous Panera Bread version at home, known for its rich broth and crispy cheese topping.

Copycat Panera Bread French Onion Soup Recipe by Julie Sanders
Every time I go to a restaurant I order the French onion soup. This recipe beats any baked onion French soup I have ever eaten. Enjoy!

Vegetarian French Onion Soup
Make it vegetarian by using vegetable broth and skipping any meat-based ingredients.

Vegetarian French Onion Soup Recipe by Jasmin Motta _ #BeingMotta
#GOBAL #A basic Soup made from Veg stock and caramelized onions...The toasted Garlic Bread slices and loads of two variety of Cheese (Morzzrella Cheese &Processed Cheese)

Vegan French Onion Soup
Use vegetable broth, vegan cheese, and olive oil or vegan butter to enjoy this classic vegan-style.

Vegan French Onion Soup 🌱(& Vegan Garlic Bread 🥖) Recipe by Rachel
Easily one of my favourite soups, this brings back fond childhood memories and it’s so delicious. My son also loved this when I made it today, I’m so pleased it’s back on the favourite list! This is traditionally made with beef stock and my mum reinvented it for me (as she did all of my favourite re…

French Onion Soup Casserole
Bake French onion soup with cheese and bread in a casserole dish for a cozy meal.

French Onion Soup Casserole Recipe by Miranda Kaye Gaines
Great recipe for French Onion Soup Casserole.

Frequently Asked Questions (FAQs)

Q: How do you make French onion soup?
A: Slowly caramelize onions until golden and sweet, add broth and herbs, simmer, then top with toasted bread and melted cheese.

Q: What are the ingredients of French onion soup?
A: Yellow onions, beef or vegetable broth, butter, garlic, thyme, bay leaves, salt, pepper, and Gruyère cheese.

Q: What are the best onions for French onion soup?
A: Yellow onions are ideal due to their sweetness and flavor when caramelized.

Q: How many calories are in French onion soup?
A: It varies but generally ranges around 300-400 calories per serving, depending on cheese and broth used.

Q: What cheese is best for French onion soup?
A: Gruyère cheese is classic, but Swiss or mozzarella can also be used.

Q: What is the secret ingredient in French onion soup?
A: A splash of white wine or sherry can deepen the flavor.

Q: Is French onion soup healthy?
A: It can be enjoyed as part of a balanced diet but watch the sodium and cheese content.

Q: What to serve with French onion soup?
A: Crusty bread, salad, or a glass of white wine pair perfectly.


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Must-Try French Onion Soup Recipes for Cozy Nights
Savor the rich flavors of French onion soup with cheesy toppings and crusty bread. Discover unique recipes to warm your heart!