Classic French Garlic Soup Recipe

Featured in: Warm Bowls of Comfort

French Garlic Soup is a regional specialty that transforms simple ingredients into an elegant dish. The recipe starts with garlic that's carefully prepared by removing bitter shoots and gently boiling to mellow its flavor. The soup gets its distinctive silky texture from a surprising addition of homemade mayonnaise, which is carefully tempered and whisked in. The result is a velvety smooth soup that's both refined and comforting. While relatively simple to make, the technique requires attention to detail, particularly when incorporating the mayonnaise to prevent curdling.
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Updated on Thu, 06 Feb 2025 21:23:19 GMT
Rich and aromatic French garlic soup with a creamy, savory broth. Pin it
Rich and aromatic French garlic soup with a creamy, savory broth. | tasteofcook.com

A treasured recipe from France's Lautrec region, this garlic soup transforms humble ingredients into liquid gold. The magic lies in the perfect marriage of garlic-infused broth with silky homemade mayonnaise, creating a velvety soup that warms both body and soul. Each spoonful delivers subtle garlic notes that have mellowed through careful cooking, making this rustic soup surprisingly refined.

I discovered this recipe during a cooking workshop in southern France, where the chef shared that his grandmother made this soup weekly. Since then, it's become my go-to comfort food during winter months, and I'm constantly amazed at how such simple ingredients create such profound flavor.

Ingredients For Success

  • Chicken stock: Serves as your foundation, homemade brings the most flavor, but a high-quality store-bought stock works beautifully
  • Fresh garlic: Should feel firm and heavy, with tight, papery skin, avoid heads with green sprouts or soft spots
  • Olive oil: Quality matters tremendously here, choose a smooth, fruity variety that tastes good on its own
  • Fresh sage leaves: Should be velvety and aromatic, avoid any with dark spots or yellowing
  • Farm-fresh eggs: Will give your mayonnaise the richest color and flavor

Creating Your Soup

Preparing The Base:
Begin by examining each garlic clove carefully, removing any green sprouts which can add bitterness. Split each clove lengthwise, revealing their heart.
Developing The Flavors:
Gently simmer your stock with fresh sage, allowing the herb to slowly release its earthy notes. Meanwhile, the brief boiling of garlic cloves tames their raw bite while preserving their essential oils.
Crafting The Mayonnaise:
Take your time with this step, ensuring your ingredients are at room temperature. The slow drizzle of oil while blending creates an emulsion that will give your soup its signature texture.
The Final Symphony:
Watch carefully as you temper the mayonnaise with hot broth, whisking constantly to achieve that perfect, silky consistency.
Classic French garlic soup infused with roasted garlic and herbs. Pin it
Classic French garlic soup infused with roasted garlic and herbs. | tasteofcook.com

In my kitchen, garlic has always held a special place. This soup taught me that garlic's true nature isn't about overwhelming power, but rather about its ability to transform into something gentle and nurturing when treated with respect.

Accompaniments With Soul

Serve this warming soup in pre-warmed bowls, topped with crusty baguette slices that have been rubbed with a garlic clove and toasted golden. A sprinkle of fresh herbs or a few drops of extra virgin olive oil add the perfect finishing touch.

Make It Your Own

Transform this classic by adding sautéed leeks for extra depth, or stir in some tender spinach leaves just before serving. For a heartier version, add small cubes of day-old bread during the final simmer, creating a garlic-infused bread soup reminiscent of Italian ribollita.

Preservation Practices

Store this soup in an airtight container in the refrigerator for up to three days. When reheating, do so gently over low heat, stirring occasionally. Never allow the soup to boil, as this can break the emulsion and affect the silky texture.

Comforting French garlic soup with a deep, buttery garlic flavor. Pin it
Comforting French garlic soup with a deep, buttery garlic flavor. | tasteofcook.com

This French garlic soup represents everything I love about traditional cooking - taking humble ingredients and, through careful technique and patience, creating something that nourishes both body and spirit. Each time I make it, I'm transported back to that French kitchen where I first learned its secrets.

Frequently Asked Questions

→ Why remove the garlic shoots?
The embryonic shoots can add bitterness, especially when using large amounts of garlic.
→ Can I use store-bought mayonnaise?
Fresh mayonnaise is recommended for the best texture and flavor in this traditional recipe.
→ Why can't the soup boil after adding mayonnaise?
Boiling can cause the egg-based mayonnaise to curdle, ruining the soup's smooth texture.
→ Is straining the soup necessary?
Straining is optional but recommended for achieving the traditional velvety texture.
→ Can I make this ahead of time?
Best served fresh due to the mayonnaise, but can be gently reheated without boiling.

Classic French Garlic Soup Recipe

Discover this velvety French garlic soup from Southern France, uniquely thickened with homemade mayonnaise for an incredibly smooth texture.

Prep Time
20 Minutes
Cook Time
25 Minutes
Total Time
45 Minutes

Category: Soups & Stews

Difficulty: Intermediate

Cuisine: French

Yield: 6 Servings

Dietary: Low-Carb, Gluten-Free, Dairy-Free

Ingredients

→ Soup Base

01 64 ounces chicken stock
02 1 small bunch fresh sage
03 1 large head of garlic

→ Mayonnaise

04 2/3 cup olive oil
05 1 large egg, separated
06 1 teaspoon Dijon mustard
07 1 pinch salt

→ Garnish (Optional)

08 Crusty croutons
09 Extra olive oil for drizzling
10 Smoked paprika
11 Fresh parsley

Instructions

Step 01

Heat chicken stock with sage in Dutch oven or stock pot. Maintain gentle simmer.

Step 02

Peel garlic, slice in half, remove embryonic shoots. Boil in water 3-4 minutes, drain, then mash finely with fork.

Step 03

Add mashed garlic to simmering stock and cook gently for 10 minutes.

Step 04

Blend egg yolk, mustard, salt, and oil with immersion blender until emulsified. Add egg white if needed for thickness.

Step 05

Optional: strain soup. Temper mayonnaise with hot soup, then whisk into pot. Heat through without boiling. Serve with optional garnishes.

Notes

  1. Traditional French recipe from the South of France
  2. Do not boil after adding mayonnaise to prevent curdling

Tools You'll Need

  • Dutch oven or stock pot
  • Immersion blender
  • Fine-mesh strainer (optional)

Allergy Information

Please check ingredients for potential allergens and consult a health professional if in doubt.
  • Eggs

Nutrition Facts (Per Serving)

It is important to consider this information as approximate and not to use it as definitive health advice.
  • Calories: 255
  • Total Fat: 21 g
  • Total Carbohydrate: 9 g
  • Protein: 7 g