French Onion Soup with Gruyere Cheese

A rich, flavorful, and comforting French Onion Soup with Gruyere Cheese that combines caramelized onions with a golden layer of melted cheese.

What is French Onion Soup?

French Onion Soup with Gruyere Cheese is a traditional dish that originated in France. It consists of deeply caramelized onions cooked in a rich broth and topped with crusty bread and melted cheese. This soup is often enjoyed during colder months due to its warmth and depth of flavor.

Learn more about the origins of French onion soup here.

Why You Will Love This Recipe

• Deep and rich flavors – Slow-cooked onions provide a sweet and savory taste.
• Comforting and warm – Perfect for chilly evenings.
• Easy to make – Simple ingredients and steps.
• Restaurant-quality at home – Impress family and guests.
• Customizable – Swap ingredients to match your preference.

Ingredients Notes

• Onions – Yellow or sweet onions work best for deep caramelization.
• Butter – Enhances the richness of the soup.
• Broth – Use a high-quality broth for the best flavor.
• Gruyere Cheese – Melts perfectly for a gooey, golden crust.
• Baguette – Crusty and ideal for soaking up the broth.
• Garlic & Thyme – Essential aromatics for depth.

How to Make French Onion Soup with Gruyere Cheese

Step 1: Caramelizing the Onions

1. Slice onions thinly and add to a large pot with butter.
2. Cook over medium-low heat, stirring frequently, for 40-50 minutes until deep golden brown.

Step 2: Preparing the Broth

1. Add garlic, thyme, and a touch of flour to the caramelized onions.
2. Pour in the broth and let simmer for 30 minutes.

Step 3: Preparing the Bread and Cheese

1. Slice the baguette and toast until crispy.
2. Top with Gruyere cheese and broil until melted.

Step 4: Assembling the Soup

1. Ladle the soup into oven-safe bowls.
2. Place the toasted bread on top and sprinkle with extra cheese.
3. Broil until the cheese is bubbling and golden brown.

Storage Options

• Refrigerator: Store in an airtight container for up to 4 days.
• Freezer: Freeze for up to 3 months; thaw and reheat before serving.

Variations and Substitutions

• Substitutions for Gruyere: Use Swiss, Comté, or Provolone cheese.
• Low-carb option: Skip the bread and add extra cheese.
• Vegan version: Use plant-based butter and cheese alternatives.

Pairings and Accompaniments

• Side salad – A fresh green salad balances the richness.
• Roasted vegetables – Adds texture and variety.
• Herbal tea or sparkling water – Light beverages enhance the meal.

Comparison with Similar Recipes

• French Onion Soup vs. Onion Bisque: French onion soup has a broth base, while bisque is cream-based.
• Classic French Onion vs. Modern Variations: Some versions include white wine or additional herbs.

Frequently Asked Questions

What type of cheese is traditionally used in French onion soup?

Gruyere cheese is the traditional choice due to its excellent melting properties and nutty flavor.

What is an interesting fact about French onion soup?

It was once considered a “poor man’s dish” in France before becoming a gourmet favorite worldwide.

What is a good substitute for Gruyere cheese in French onion soup?

Swiss cheese, Comté, and Provolone are excellent alternatives.

What consistency should French onion soup be?

It should have a rich, slightly thickened broth with tender onions and a gooey cheese topping.

Best Time to Enjoy the Recipe

• Winter dinners – A warm and hearty meal for cold nights.
• Holiday gatherings – Impress guests with a classic dish.
• Casual lunch – Enjoy a bowl with a light salad.

Presentation Tips

• Serve in rustic bowls for a traditional feel.
• Garnish with fresh thyme for a touch of elegance.
• Use a broiler-safe dish for the best cheese crust.

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Suggested Recipes

• Classic French Onion Soup
• Cheesy Garlic Bread
• Homemade Vegetable Broth

For more savory recipes you can also check my friend Alicia’s blog here.