Onion soup is a soup whose main ingredient is caramelized onion. Considered to originate from France, the country where it became popular and spread its recipe throughout the world in the 19th century, it is a recipe for which there are historical records since the Middle Ages in many European countries.

Learn how to make French Onion Soup with Cheese in a simple, easy and fast way!

French Onion Soup with Cheese

Recipe by caion


Prep time


Cooking time



For your French Onion Soup with Cheese to be good, use the ingredients from the list below and follow the step-by-step preparation method.


  • 500 g Yellow Onion

  • 1 liter Beef Broth

  • 50 g + 50 g Butter

  • 50 ml Olive Oil

  • 1 tbsp Sugar

  • 2 tbsp Flour

  • 6 slices of Baguette

  • 100 g grated Gruyere or Emmenthal cheese


  • Peel the onion, chop into slices longwise;
  • Dice 50g butter into large cubes;
  • Heat the olive oil in a saucepan over medium heat, add chopped butter;
  • When the butter melted, add the onion;
  • Fry the onion over medium heat until golden brown, stirring (the onion should not burn);onion golden
  • Add sugar;
  • Fry the onions for another 2-3 minutes, stirring, until a light caramel shade;
  • Add flour to the saucepan, mix very well, without grinding;
  • Toast the flour for 1-2 minutes, stirring;
  • Gradually pour 3/4 of the broth into the saucepan, mixing thoroughly;
  • Add black pepper and salt;
  • Simmer over low heat for about 15 minutes, stirring, and adding the remaining broth, if necessary;
  • At the end of cooking, adjust the salt;cooking
  • Cut the bread into the cubes with a side of about 1 cm;
  • Melt the 50 g of butter in a wide frying pan over medium heat;
  • When the butter start to foam, add crackers;
  • Fry until golden brown, stirring constantly, remove the crackers from the heat and add a little salt;crackers
  • Fill the fireproof (!) dish at 3/4 with soup, sprinkle tightly with crackers;
  • Add grated cheese on top;
  • Bake onion soup for 7-10 minutes at 250 C or on a grill mode;
  • Your French Onion Soup with Cheese is ready!French Onion Soup

Recipe Video

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