French Onion Soup

By:

septembre 19, 2025

Delicious bowl of French Onion Soup topped with melted cheese and herbs

French Onion Soup is a cozy, comforting dish that brings warmth to any mealtime. With its rich flavors and delightful aroma, this soup is perfect for family gatherings, date nights, or a simple weeknight treat. The gooey melted cheese and the crunchy baguette combine with the sweet caramelized onions to create a heavenly experience in every spoonful. Plus, this recipe is easy to follow, making it a great choice for beginner cooks who want to impress their guests. Get ready to enjoy a classic like never before! 😋

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Delicious bowl of French Onion Soup topped with melted cheese and herbs

French Onion Soup


  • Author: Emma
  • Total Time: 1 hour
  • Yield: 4 servings 1x

Description

French Onion Soup is a cozy, comforting dish with caramelized onions, beef broth, gooey melted cheese, and crunchy baguette slices. Perfect for family gatherings, date nights, or a warm weeknight meal!


Ingredients

Scale

4 large onions, thinly sliced

4 tablespoons unsalted butter

1 tablespoon olive oil

1 teaspoon sugar

4 cups beef broth

2 tablespoons all-purpose flour

Salt and pepper to taste

Baguette slices

Gruyere cheese, grated


Instructions

1. In a large pot, melt butter and olive oil over medium heat. Add sliced onions and sugar, cooking 30 minutes until caramelized, stirring occasionally.

2. Sprinkle flour over onions and cook 2 minutes, stirring constantly.

3. Slowly add beef broth, stirring to combine. Simmer 20 minutes. Season with salt and pepper.

4. Preheat broiler. Ladle soup into oven-safe bowls. Top with a baguette slice and Gruyere cheese. Broil until cheese is bubbly and golden.

5. Serve hot and enjoy.

Notes

Caramelize onions longer for deeper flavor.

Substitute Gruyere with Swiss or mozzarella.

Add thyme or bay leaves while simmering for extra depth.

Make ahead: prepare soup base, then broil with bread and cheese when ready.

Variation: Add heavy cream before serving for a creamy version, or mushrooms for an earthy twist.

  • Prep Time: 10 minutes
  • Cook Time: 50 minutes
  • Category: Soup
  • Method: Stovetop + Broiler
  • Cuisine: French

Nutrition

  • Serving Size: 1 bowl
  • Calories: 320
  • Sugar: 9g
  • Sodium: 720mg
  • Fat: 16g
  • Saturated Fat: 9g
  • Unsaturated Fat: 6g
  • Trans Fat: 0g
  • Carbohydrates: 32g
  • Fiber: 3g
  • Protein: 12g
  • Cholesterol: 35mg

Keywords: french onion soup, caramelized onion soup, classic soup, comfort food

why make this recipe

If you’re looking for a warm and inviting soup, French Onion Soup is the answer! It has a unique blend of sweet and savory flavors that make it truly special. Caramelized onions create a depth that stands out, while melted cheese adds a rich texture. Perfect for chilly evenings or when you want to indulge in something comforting, this soup brings a touch of elegance to any table. Plus, it’s a fun way to practice your cooking skills.

⏱️ Time Breakdown

Prep Time: 10 minutes
Cook Time: 50 minutes
Total Time: 1 hour
Servings: 4

how to make French Onion Soup

Ingredients:

  • 4 large onions, thinly sliced
  • 4 tablespoons unsalted butter
  • 1 tablespoon olive oil
  • 1 teaspoon sugar
  • 4 cups beef broth
  • 2 tablespoons all-purpose flour
  • Salt and pepper to taste
  • Baguette slices
  • Gruyere cheese, grated

✨ Kitchen Tools You’ll Need

« This recipe doesn’t require fancy gadgets, just a few reliable kitchen basics to keep everything simple and stress-free. »

  • Large skillet or frying pan
  • Sharp knife
  • Cutting board
  • Measuring cups & spoons
  • Mixing bowls
  • Wooden spoon or spatula
  • Baking dish (if needed)

Directions:

  1. In a large pot, melt the butter and olive oil over medium heat. Add the sliced onions and sugar, cooking until the onions are caramelized (about 30 minutes). Stir occasionally. 🧅
  2. Sprinkle the flour over the caramelized onions and cook for another 2 minutes, stirring constantly. 🕒
  3. Slowly add the beef broth, stirring to combine. Bring to a simmer and cook for 20 minutes. Season with salt and pepper to taste. 🔥
  4. Preheat the broiler. Serve the soup in oven-safe bowls, topping each with a slice of baguette and a generous sprinkle of Gruyere cheese. Place under the broiler until the cheese is bubbly and golden. Serve hot. 🥖🧀

how to serve French Onion Soup

This delightful soup is best served hot and fresh from the oven. Place the warm bowls on a sturdy surface and enjoy them with extra baguette slices for dipping. You can also pair this dish with a mixed green salad for a complete meal.

how to store French Onion Soup

To store any leftovers, let the soup cool completely. Pour it into an airtight container and keep it in the refrigerator for up to 3 days. For longer storage, you can freeze the soup for up to 3 months. Just remember to let it cool before freezing!

💡 Pro Tips

  • For added flavor, try caramelizing the onions a bit longer until they’re deeply golden.
  • You can substitute Gruyere cheese with Swiss or mozzarella if needed.
  • Feel free to add herbs like thyme or bay leaves while simmering for extra depth.
  • If you want, you can make the soup ahead of time, then reheat when you’re ready to serve.

variation

You can also make a creamy version by adding a splash of heavy cream just before serving. Additionally, feel free to mix in sautéed mushrooms for an earthy twist!

FAQs

Q1: Can I make this soup vegetarian?
A1: Yes! You can use vegetable broth instead of beef broth for a delicious vegetarian version.

Q2: Can I add other vegetables?
A2: Absolutely! Feel free to add carrots, celery, or even mushrooms for added flavor and texture.

Q3: What bread can I use instead of baguette?
A3: Any crusty bread, like sourdough or ciabatta, works wonderfully for this soup!

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