Classic Steakhouse Onion Soup

Classic Steakhouse Onion Soup

Classic Steakhouse Onion Soup is a rich, comforting soup with slowly caramelized onions, savory beef and chicken broth, toasted baguette, and bubbling melted cheese. Inspired by the famous restaurant favorite, this hearty soup is perfect for lunch or dinner.
Couverts4 servings
Preparation 15 minutes
Preparation time:45 minutes
Total time 1 hour
estimated costs pp $3.95 per serving
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Equipment

  • Baking sheet
  • Cheese grater
  • Large pot
  • ladle,
  • Oven-safe bowls
  • Wooden spoon

Ingredients

  • ½ cup dry white wine
  • ½ cup grated Parmesan cheese
  • ½ teaspoon black pepper
  • ½ teaspoon dried thyme
  • 1 baguette sliced
  • 1 tablespoon olive oil
  • 1 teaspoon salt
  • 1 teaspoon sugar
  • 1 teaspoon Worcestershire sauce
  • 2 cups chicken broth
  • 2 cups shredded Swiss cheese
  • 3 tablespoons butter
  • 4 cups beef broth
  • 4 large onions thinly sliced

Instructions

  • Heat the butter and olive oil in a large pot over medium heat.
  • Add the sliced onions.
  • Cook for 10 minutes, stirring occasionally.
  • Sprinkle the sugar over the onions.
  • Continue cooking for 15 minutes until the onions become deeply caramelized.
  • Pour in the beef broth, chicken broth, and white wine.
  • Stir well.
  • Add the Worcestershire sauce, salt, black pepper, and thyme.
  • Bring the soup to a gentle simmer.
  • Cook for 20 minutes.
  • Meanwhile, toast the baguette slices in a 190°C (375°F) oven until golden brown.
  • Ladle the soup into oven-safe bowls.
  • Top each bowl with toasted baguette slices.
  • Sprinkle generously with Swiss cheese and Parmesan cheese.
  • Place the bowls under the broiler until the cheese is melted, golden, and bubbling.
  • Serve immediately.

Notes & Wine Advice

Recipe Notes

Take your time caramelizing the onions, as this step creates the deep, sweet flavor that makes this soup special.
For the best cheese topping, broil the soup just until the cheese bubbles and turns lightly golden.
Use Gruyère instead of Swiss cheese for an even richer, traditional flavor.
Serve with a crisp green salad or extra crusty bread for a complete meal.

Wine Advice

A glass of Sauvignon Blanc complements the sweet onions and rich broth beautifully.
If you prefer red wine, a light Pinot Noir pairs wonderfully with the melted cheese and savory broth.

Nutrition values

Calories: 380 kcal | Carbohydrates: 40 g | Protein: 15 g | Fat: 18 g | Saturated Fat: 10 g | Sodium: 980 mg | Sugar: 7 g
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Course; Dinner / Lunch / Main Course / Soup
Cuisine; American
Season: Winter
Diets; Nut Free

About This Recipe

Classic Steakhouse Onion Soup is a comforting American favorite inspired by the famous restaurant recipe. Sweet caramelized onions simmer slowly in a rich blend of beef and chicken broth before being topped with toasted baguette, melted Swiss cheese, and Parmesan. Every spoonful offers deep flavor, a golden cheese crust, and plenty of comforting warmth.

Why You’ll Love This Onion Soup

This onion soup is easy to prepare with simple ingredients that develop incredible flavor as they cook. Slowly caramelizing the onions creates natural sweetness, while the combination of broths produces a rich and savory base. If you enjoy hearty comfort food, browse our Soup Recipes, American Recipes, Main Course Recipes, Dinner Recipes, and Winter Recipes.

Simple Ingredients for Classic Steakhouse Onion Soup

Classic Steakhouse Onion Soup combines everyday ingredients into a restaurant-quality meal. The onions become soft and sweet during the slow cooking process, while white wine adds brightness to the broth. Toasted baguette slices soak up the flavorful soup before the melted cheese creates the signature golden topping that everyone loves.

Serving Suggestions

This onion soup is delicious with a crisp green salad, roasted vegetables, or a simple sandwich. It also makes an excellent starter before grilled steak or roast beef. Serve it for a cozy Family Dinner, a relaxed Weekend meal, or an elegant Gourmet dinner.

Storage Tips

Store Classic Steakhouse Onion Soup without the bread and cheese topping in an airtight container for up to four days. Reheat the soup gently on the stovetop, then add freshly toasted bread and cheese before serving. The soup also freezes well for up to three months. For safe food storage recommendations, visit the FDA Food Safety website.

Whether you’re recreating a restaurant favorite or serving a comforting homemade meal, Classic Steakhouse Onion Soup delivers rich broth, sweet caramelized onions, and bubbling cheese in every satisfying bowl.


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