Easy One-Hour French Onion Soup

User Reviews

4.6

72 reviews
Excellent
  • Prep Time

    10 mins

  • Cook Time

    55 mins

  • Total Time

    1 hr 5 mins

  • Servings

    6 servings

  • Calories

    429 kcal

  • Course

    Soup

  • Cuisine

    French

Easy One-Hour French Onion Soup

This Easy One-Hour French Onion Soup uses caramelized Vidalia onions cooked with olive oil and butter, deglazed with sherry, then simmered with beef broth and aromatics including thyme and bay leaves. The soup is served topped with toasted baguette slices and melted Gruyère cheese, offering a balance of sweet onion depth and rich cheese melted over crisped bread.

Description

Easy One-Hour French Onion Soup relies on slowly cooking thinly sliced Vidalia onions in olive oil and butter until caramelized and sweet. The addition of garlic and sherry lifts the flavors, with the sherry helping to deglaze the pan and incorporate browned bits for depth. Beef broth, Worcestershire sauce, thyme, and bay leaves are added and simmered to develop a flavorful and slightly thickened broth. The soup is finished by layering toasted baguette slices and grated Gruyère cheese, which can be melted under a broiler, adding a savory and creamy topping with a contrasting crispy base.

This soup is hearty and suitable as a warming appetizer or light meal, especially during cooler seasons. Serving immediately after broiling the cheese helps retain crispness and maximize flavor. Toasting the bread separately avoids sogginess.

Leftover soup stores well refrigerated for up to one week or can be frozen for up to three months. To preserve texture and taste, add bread and cheese only when ready to serve.

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Ingredients

Servings
  • ¼ cup olive oil
  • 3 pounds Vidalia onions yellow onions may be substituted, peeled and sliced root to tip in long thin segments, sweet
  • 1 to 2 teaspoon salt or to taste
  • 1 teaspoon black pepper or to taste, freshly ground
  • 2 tablespoons butter unsalted
  • 2 cloves garlic pressed or finely minced
  • cup cooking sherry dry white wine may be substituted, dry
  • 8 cups beef broth 64 ounces, reduced sodium
  • 1 tablespoon Worcestershire sauce
  • 2 bay leaf
  • ½ teaspoon thyme or to taste, dried
  • 1 teaspoon granulated sugar optional and to taste
  • 1 baguette sliced into eight 1/2-inch thick slices (or as needed based on how many bowls you’re portioning out), toasted, French
  • gruyere cheese grated and divided, about 2 cups

Instructions

  1. To a large Dutch oven or stockpot, add the oil, onions, 1 teaspoon salt, pepper, toss to coat, and cook over medium heat for about 30 minutes until onions have softened and are caramelized; stir intermittently.
  2. Add the butter, garlic, stir to combine, and cook for about 1 minute, or until garlic is fragrant.
  3. Add the sherry to deglaze the pan (use caution, it will bubble up). Scrape up and loosen the browned bits from the bottom of the pan.
  4. Add the beef broth, Worcestershire sauce, bay leaves, thyme, bring to a simmer, cover, and allow soup to maintain a low simmer for about 20 to 30 minutes, or until broth has reduced slightly and thickened slightly.
  5. While soup simmers, slice and toast the bread. Simply toast it in a regular toaster to a light/medium color (I find toasted bread to be less soggy and slimy on top of the finished soup); set aside.Preheat oven broiler to high.
  6. After soup has simmered, taste it and optionally add 1 additional teaspoon salt, or as necessary to taste. Optionally add sugar, to taste. I used about 2 teaspoons salt total and 1 heaping teaspoon sugar because I think it balances the flavors. Remove the bay leaves.
  7. Ladle soup into oven-safe bowls, top each bowl with a slice of bread, about 1/3 cup cheese per bowl or as desired, places bowls on a sheet pan, and broil for about 1 to 3 minutes, or until cheese has melted and is as dark as desired. Watch cheese closely so it doesn’t burn. All broilers vary in intensity.
  8. Serve immediately.

Notes

  • If oven-safe bowls are unavailable, broil bread with cheese on a sheet pan and then add to soup bowls.
  • Toast bread slices to a light or medium color to reduce sogginess when added to soup.
  • Store soup airtight in the fridge up to 1 week or freeze up to 3 months; add bread and cheese just before serving.

Nutrition Information

Show Details
Serving 1 Calories 429kcal (21%) Carbohydrates 28g (9%) Protein 19g (38%) Fat 27g (42%) Saturated Fat 12g (60%) Polyunsaturated Fat 14g (82%) Cholesterol 54mg (18%) Sodium 2399mg (100%) Fiber 3g (12%) Sugar 13g (26%)

Nutrition Facts

Serving: 6servings

Amount Per Serving

Calories 429 kcal

% Daily Value*

Serving 1
Calories 429kcal 21%
Carbohydrates 28g 9%
Protein 19g 38%
Fat 27g 42%
Saturated Fat 12g 60%
Polyunsaturated Fat 14g 82%
Cholesterol 54mg 18%
Sodium 2399mg 100%
Fiber 3g 12%
Sugar 13g 26%

* Percent Daily Values are based on a 2,000 calorie diet.

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User Reviews

Overall Rating

4.6

72 reviews
Excellent

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