French Onion Soup Recipe

Name: French Onion Soup
Prep time: 15 min
Cook time: 30 min
Total time: 45 min
Yield: 4 servings
Ingredients: 3 tablespoons unsalted butter; 2 large onions (1 1/2 to 1 3/4 pounds), peeled and thinly sliced; 3/4 teaspoon salt, more to taste; 2 quarts (8 cups) beef stock; 1 cup dry white wine; 1 tablespoon dry sherry; 1 tablespoon all-purpose flour; 1/2 teaspoon black pepper, more to taste; French bread, sliced into 1/2-inch thick pieces; Aged Gruyere, grated

Servings: persons

1
Melt butter in a heavy Dutch oven over medium heat.
2
Add onions and 1/2 teaspoon salt, stir and cover, letting onions soften for 5 minutes.
3
Remove lid and let onions caramelize until golden brown over medium heat, stirring occasionally.
4
Adjust heat if onions are browning too quickly.
5
The caramelization process may take 45 to 60 minutes.
6
Meanwhile, warm broth in a saucepan over low heat.
7
Once onions are caramelized, add wine and sherry to the pot and allow mixture to come to boil.
8
Stir in flour and let thicken for a minute or two.
9
Slowly add warm broth, 1/4 teaspoon salt and the pepper to the onion mixture and boil uncovered for 10 minutes.
10
Add more salt and pepper to taste.
11
Heat the broiler, and arrange individual ovenproof casseroles on a baking sheet.
12
Ladle soup into casseroles, and cover top with bread slices.
13
Sprinkle each casserole generously with Gruyere.
14
Broil for a minute or two, watching carefully, until cheese melts and browns.
15
Serve immediately.

112

kcal

Calories

Fat

Carbs

Protein

Fat Carbs Protein

* Per serving · 4 servings · Values may vary.

Tips for the best results

Read through all the steps once before you start and measure out your ingredients first — it makes everything go more smoothly.
Taste as you go and adjust the seasoning before serving.
Avoid overcrowding the pan — cook in batches if needed for the best texture.
Let the dish rest for a few minutes before serving so the flavors settle.
Store leftovers in an airtight container in the fridge and enjoy within a few days.

Variations & substitutions

Use a neutral oil or a plant-based spread in place of butter for a dairy-free version.
A good 1:1 gluten-free flour blend works well if you need a gluten-free version.

No specific allergen information. Please check the ingredient list for possible allergens.

My Personal Notes

Saved locally in your browser — visible only to you.

How did you like this recipe?

This recipe makes 4 servings. You can adjust the portion size directly on this page.

You need 10 ingredients. The key ingredients include: 3 tablespoons unsalted butter, 2 large onions (1 1/2 to 1 3/4 pounds), peeled and thinly sliced, 3/4 teaspoon salt, more to taste, 2 quarts (8 cups) beef stock, and more.

Yes, French Onion Soup falls under the Soups & Stews category and is a great choice for this type of meal.

Store leftovers in an airtight container in the refrigerator for up to 3–4 days. Reheat gently before serving.

That's it — enjoy your meal!

French Onion Soup

Tips for the best results

Variations & substitutions

My Personal Notes

How did you like this recipe?

Frequently Asked Questions