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French Onion Soup

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Prep 10 minutes
Cook 1 hour
Total 1 hour 10 minutes
This rich soup is easy enough to make as a weeknight meal while also being fancy enough to cook for a special occasion. The caramelized onions bring an intense and rich savory-sweet flavor to this soup that will have you coming back for more. This recipe costs $1.70 per serving or $6.80 for the whole recipe.
Servings 4
Course Main Course
Cuisine American, French
Servings4

Ingredients

  • 4 Onions Large Sweet
  • 8 cup Veggie Broth
  • 6 oz Croutons Homemade is best but you can purchase these from the store if you want to make the dish more quickly Crostinis or
  • 8 oz Swiss Cheese Shredded
Optional
  • 2 tsp Veggie Broth Base Ie Better Than Bouillon
  • 1 tbsp Chives Chopped Scallion or

Method

  1. Prepare the Ingredients: Peel the onions and remove the two ends. Slice the onions in half from top to bottom and slice into very thin strips (julienne). It is best to slice the onions lengthwise, from top to bottom. Shred the cheese and make the croutons if needed.
  2. Caramelize the Onions: In a large, heavy-bottomed pot add a small amount of oil and add in all of the onions. Turn on the heat to medium-low and slowly cook the onions while stirring frequently. This process can take anywhere from 20-40 minutes depending on your stove but you need to stir the onions often to ensure they don't burn. The final product should be very soft slices of onion that have turned a light to medium brown color. There should be no burned pieces of onion. If you do burn some of the onion, remove it with a fork or spoon but be aware that it may affect the final flavor of the soup.
  3. Finish the Soup: Once the onions have caramelized, add in the beef broth or veggie broth and stir. Simmer for 15 minutes. Taste the soup and add salt as desired. At this point, you can also add in a small amount of beef broth base or veggie broth base if the soup seems too watered down.
  4. Serve: Turn your oven onto broil. Place one small pile per person of either the crostinis or the croutons onto a baking sheet covered in parchment paper. Place 2 ounces of shredded cheese on top then place the pan into the oven under the heat. Let broil for 2-4 minutes until the cheese is bubbly and melted. Ladle each serving of soup into large bowls then remove the croutons from the oven and scoop each pile onto a serving of the soup. Top with chopped chive or scallion as an optional garnish.
  5. Meal Prep Tip: This recipe can be served for up to 5 days after it is prepared. Store the croutons and cheese separately. Heat the soup up then toast the croutons and cheese just before serving. You can also freeze the prepared soup (excluding the croutons and cheese) for up to 6 months.