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5 from 4 votes

Ooey-Gooey French Onion Soup

This French Onion Soup is hearty, comforting and full of flavor. It's prepared with beef broth and caramelized onions and topped with crispy bread and ooey gooey Swiss cheese. What's not to love?
Prep Time10 minutes
Cook Time50 minutes
Total Time1 hour
Course: Main Dish
Cuisine: American
Servings: 4
Calories: 320kcal
Author: Catherine McCord

Ingredients

Instructions

  • In a saucepan over medium heat, melt the butter.
  • Add the onions and salt and cook until onions start to turn golden brown, stirring occasionally, about 30 minutes.
  • Add the garlic, sugar, thyme and bay leaf and cook an additional 10 minutes.
  • Add the stock and worcestershire sauce and bring to a boil. Reduce heat to low and simmer until the onions are very tender, about 10 minutes.
  • Heat the oven to broil. Place the bread cubes on a baking sheet and broil for 3-5 minutes, or until crisp and golden.
  • Ladle the soup into oven-proof bowls. Top each bowl of soup with a handful of croutons and a handful of cheese.
  • Place under the broiler until the cheese is melted, about 2 minutes.

Notes

  • What kind of onions are best for French Onion Soup? Yellow onions are the most commonly used onions for French Onion Soup, as they have a slightly sweet and mild flavor that becomes rich and caramelized when cooked for a long time.
  • Can I use a different type of cheese instead of Swiss? Totally! You can use other types of cheese, such as Gruyere or Parmesan or really mild cheese that you love.
  • Can I make French Onion Soup in advance? Yep! You can make French Onion Soup in advance and store it in the refrigerator for up to three days without the cheese or bread. When reheating, you may need to add more broth or water to adjust the consistency, then just broil the bread and cheese when you're ready to serve.

Nutrition

Calories: 320kcal | Carbohydrates: 16g | Protein: 12g | Fat: 23g | Cholesterol: 30mg | Sodium: 1620mg | Fiber: 2g | Sugar: 1g