The Best French Onion Soup Recipe! This Easy French Onion Soup is hearty and so delicious! Made in no time with only a few ingredients.
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French onion soup is oh so warm, rich, and comforting. Made with beef stock and herbs, this traditional soup has all of the decadent flavor that you’re craving but lightened up using our Healthy Caramelized Onions recipe.
If you’ve ever thought french onion soup is too difficult for an easy dinner, think again! Most of the cooking time is allowing the broth to get super flavorful.
We Love Healthy French Onion Soup
There is a lot to love about this easy soup recipe. It’s one of our favorite healthy soups because it’s:
- Easy to Make – This soup may look intimidating, but I promise it’s easier than it seems!
- Simple Ingredients – Most of these ingredients are pantry staples that you probably already have on hand!
- Warm and Comforting – The broth in this soup is simply irresistible and perfect on a chilly day!
- Loaded With Flavor – This recipe has all of the flavor (thanks to the broth and spices) while actually being made with good for you ingredients!
What is French Onion Soup?
What Does French Onion Soup Taste Like? It tastes like a sweet onion soup with a flavorful beef broth.
Is French Onion Soup healthy? Onions have amazing anti-inflammatory benefits and if you use a low sodium broth, french onion soup can be a healthy dinner option.
Best French Onion Soup Ingredients
To make this soup you’ll need:
- olive oil
- white wine, dry red wine
- all purpose flour
- fresh thyme, bay leaves, garlic, salt, pepper
- beef broth
- gruyere or provolone cheese
You can find substitutions for all of these ingredients below in the green shaded box.
What kind of onion is best for French Onion Soup?
The best onions for caramelized onions are sweet, white onions. I haven’t tried this recipe with red onions but wouldn’t recommend it.
How to Cut Onions for French Onion Soup
The best way to cut onions for french onion soup is to cut lengthwise into long strips.
How to Make French Onion Soup
- Heat olive oil in a dutch oven and add onions and salt. Cover and cook for 30 minutes, stirring every 5 minutes.
- Add white wine and saute an additional 15 minutes until absorbed.
- Stir in flour, thyme, bay leaf, and garlic and cook over low heat for about 2 minutes. Add red wine and cook about 1 minute.
- Add beef broth, whisking vigorously to dissolve flour. Bring to a boil, reduce to simmer and partially cover for 25 minutes, stirring occasionally. Discard thyme stems and bay leaves.
- Toast baguette slices in oven at 375° on a baking sheet until crisp.
- Ladle soup into 4 oven proof bowls. Top with two slices of baguette and cheese. Broil on low until cheese has melted and begins to brown, about 2 minutes. Watch it closely so it doesn’t burn. Serve immediately.
Easy French Onion Soup Recipe Substitutions
Fresh Thyme: If you don’t have fresh thyme, add ½ teaspoon of dry thyme.
Red Wine: Use a good quality red wine, something you would drink. If you don’t usually have red wine on hand, you can buy small single serve bottles at most convenience and grocery stores. Dry white wine can be used in place of red wine. Sauvignon Blanc or Chardonnay both work well for white wine. You can omit the wine altogether, or substitute it with sherry.
Can I omit the flour? Yes! The flour mixes together with the olive oil from the caramelized onions to make a roux, which thickens the soup. If you skip the flour, your soup will just be a bit on the thin side. You can also use just 1 tablespoon of flour instead of two, again this will make a thinner soup but will not affect the flavor.
I don’t have oven proof bowls, what can I use? Place slices of bread on a baking sheet lined with foil, top with cheese and broil briefly until cheese is melted. Place the cheesy toast on top of the soup just before serving.
Lower Carb: You can also use a parmesan crisp for texture instead of bread. Simply melt a handful of freshly shredded parmesan cheese on a silicone baking mat in a 400℉ oven until golden brown, about 3 minutes. Watch it closely so it does not burn.
What to Serve with French Onion Soup
This recipe is so filling and comforting on its own! We also love enjoying it with:
- a toasted baguette
- a salad – this Easy Kale Lemon Salad and Kale Quinoa Salad is delicious
- veggies – Green Beans Almondine, Crispy Potatoes, or Brussels Sprouts
- to make it even more filling you can pair it with Healthy Chicken Tenders
Storing Easy French Onion Soup
Storing: This will last in the refrigerator for up to 5 days in an airtight container
Reheating: You can reheat this recipe in the microwave or on the stove.
Best French Onion Soup Recipe FAQ
The caramelized onions, beef broth, and spices all come together to make such a flavorful soup!
We love provolone and gruyere cheese on this soup.
No, it is not keto friendly. If you want to make it lower carb, you can use a parmesan crisp for texture instead of bread. Simply melt a handful of freshly shredded parmesan cheese on a silicone baking mat in a 400℉ oven until golden brown, about 3 minutes. Watch it closely so it does not burn.
More Soup Recipes You’ll Enjoy
Easy French Onion Soup Recipe
- 1 French baguette sliced (or gluten free bread)
- 1 ½ cup gruyere or provolone cheese shredded or sliced
- In a large dutch oven, heat olive oil. Stir in onions and salt. Cover onions and cook for 30 minutes, stirring every 5 minutes
- After 30 minutes, add white wine and saute for an additional 15 minutes until wine is absorbed and onions are soft and brown.
- Add flour, thyme, bay leaf, and garlic. Stir to combine and cook over low heat for about 2 minutes.
- Once the flour has cooked and the garlic is fragrant, add the red wine and cook briefly, about 1 minute.
- Add the beef broth, whisking vigorously as you pour it in to dissolve the flour. Bring soup up to a boil, reduce to simmer, and simmer partially covered for 25 minutes, stirring occasionally. Remove thyme stems and bay leaves, discard. Taste for salt and pepper and adjust seasoning as needed.
- While the soup simmers, toast baguette slices in the oven at 375℉ on a large baking sheet until crisp, about 3 minutes.
- Preheat the broiler on low. Ladle soup into 4 oven proof bowls or soup crocks. Top with two slices of toasted baguette, followed by a handful of cheese (about a heaping ¼ cup). Broil on low until cheese has melted and begins to brown, about 2 minutes. Watch it closely so it doesn’t burn. Serve immediately.