Can I freeze French Onion Soup, and how should I do it?

Yes, French Onion Soup can be frozen for up to 3 months. To freeze, cool the soup completely, then transfer it to airtight containers or freezer-safe bags. It’s best to freeze the soup without the cheese and bread toppings, as they can become soggy or lose texture. When ready to eat, thaw the soup in the refrigerator overnight and reheat on the stove. Add fresh toasted bread and cheese before serving for the best texture.

Does the wine in French Onion Soup lose its alcohol content during cooking?

Yes, the alcohol in the wine typically cooks off during the simmering process, especially if the soup is simmered for at least 20-30 minutes. This leaves the flavor without the alcoholic content. If you prefer to avoid alcohol altogether, you can omit the wine or replace it with a mixture of half vinegar and half water to replicate the acidity and depth wine usually adds.

What are good non-alcoholic substitutes for wine in French Onion Soup?

If you want to avoid alcohol, a common substitute is a blend of half white vinegar and half water, which mimics the acidity of wine. You can also use unsalted chicken or vegetable broth with a splash of lemon juice or apple cider vinegar. These alternatives add the needed tang without alcohol, keeping the soup flavorful and balanced.

Can I use mushroom gravy instead of beef broth in French Onion Soup?

While traditional French Onion Soup uses beef broth for its rich, savory flavor, mushroom gravy can be used as an alternative for a vegetarian twist. Mushroom gravy adds umami and depth but may alter the classic taste. To keep the soup balanced, consider combining mushroom gravy with vegetable broth and adjust seasoning to taste.

How can I avoid soggy bread when serving French Onion Soup?

To prevent soggy bread, toast the bread slices until crisp before adding them to the soup. Add the toasted bread and a generous layer of cheese just before broiling. Broil the soup in oven-safe bowls until the cheese bubbles and browns. Serve immediately to maintain the bread’s crispy texture alongside the rich soup.

French Onion Soup Recipe With Rich Broth And Melted Cheese

Name: French Onion Soup
Prep time: 10 min
Cook time: 1 h 30 min
Total time: 1 h 40 min
Cuisine: French
Ingredients: – 6 tablespoons oil; – 3 pounds medium yellow onions, halved and thinly sliced; – ¾ teaspoon salt; – 1½ tablespoons balsamic vinegar; – 1½ tablespoons tamari; – 1½ tablespoons fresh thyme leaves; – 3 garlic cloves, minced; – 3 tablespoons all-purpose white flour; – 1 cup dry white wine; – 6 cups vegetable broth; – baguette slices for topping; – Gruyère cheese for topping; – aged cheddar for topping; – Parmesan cheese for topping; – fresh thyme for topping; – a pinch of red pepper flakes (optional) for topping

Ingredients

– 6 tablespoons oil

– 3 pounds medium yellow onions, halved and thinly sliced

– ¾ teaspoon salt

– 1½ tablespoons balsamic vinegar

– 1½ tablespoons tamari

– 1½ tablespoons fresh thyme leaves

– 3 garlic cloves, minced

– 3 tablespoons all-purpose white flour

– 1 cup dry white wine

– 6 cups vegetable broth

– baguette slices for topping

– Gruyère cheese for topping

– aged cheddar for topping

– Parmesan cheese for topping

– fresh thyme for topping

– a pinch of red pepper flakes (optional) for topping

Cook Mode Prevent your screen from going dark

Instructions

1-Heat 6 tablespoons of oil in a large pot over medium heat. Add the 3 pounds of thinly sliced medium yellow onions, ¾ teaspoon salt, and a dash of pepper; toss to combine.

2-Reduce the heat to low and cook for about 40 minutes, stirring every few minutes until the onions are very soft.

3-Increase the heat to medium and cook for 15 to 20 more minutes until the onions turn golden brown.

4-Add 1½ tablespoons balsamic vinegar, 1½ tablespoons tamari, 1½ tablespoons fresh thyme leaves, and 3 minced garlic cloves; stir well.

5-Sprinkle 3 tablespoons of all-purpose white flour over the onions, stir, and cook for 2 minutes.

6-Stir in 1 cup of dry white wine and cook until it evaporates, about 2 minutes.

7-Add 6 cups of vegetable broth and simmer uncovered over medium heat for 30 minutes.

8-Preheat the oven to 450°F. Place baguette slices topped with Gruyère cheese, aged cheddar, and/or Parmesan cheese on a baking sheet and bake until toasted and the cheese is melted, 8 to 10 minutes.

9-Ladle the soup into bowls, top each with a toasted baguette slice, fresh thyme, and a pinch of red pepper flakes if desired. Serve immediately.

Last Step:

Please leave a rating and comment letting us know how you liked this recipe! This helps our business to thrive and continue providing free, high-quality recipes for you.

Notes

🧅 Slice onions thinly for best texture and flavor.
⏳ Cook onions slowly over low heat for 40 minutes then increase heat for deep caramelization.
🍞 Toast extra baguette slices; cheesy bread is often enjoyed before soup is finished.

Author: Brandi Oshea
Prep Time: 10 minutes
Cook Time: 1 hour 30 minutes
Category: Soup
Method: Sautéing, Simmering, Baking
Cuisine: French

Nutrition

Serving Size: 1 serving