Classic French Onion Soup

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Best and Simplified version of Classic French onion soup extremely flavourful, caramelized onions are simmered and served with crunchy bread with cheesy toppings!

This is simple and Hearty soup!

a spoon of French onion soup with melted cheese on top served in ramekin

 Why it is called French onion soup?

The first French onion soup was said to been created by king Louis the XV. The French king at the time supposedly came up with the recipe when he was hunting.

The party was trapped in lodge for sometime with very little food, there were only butter and onions which were created into  a soup. 

Similar recipe: Cream of broccoli soup and Squash Soup

Why this recipe works:

Pantry-friendly: The ingredients to make French onion soup is very less and easy to make.

Customizable: The bread and cheese you add to this recipe are totally customizable.

Totally-Filling: The soup itself served as a main dish because the bread with the melted cheese and caramelized soup makes it’s a complete meal.

How to make classic french onion soup:

ingredients to make french onion soup are displayed
Ingredients to make French onion soup are taken
butter is melted in deep pot
In a deep pot, heat up butter. Let it melts for few seconds.
a bowl of minced garlic is being added to deep hot
Add minced garlic and saute for a minute.
Sliced white onions are being added to deep pot
Add in sliced onions
lightly browned onions are in deep pot
Give a good mix
browned onions are in deep pot
Over a medium heat, cook the onions until they are nicely browned, that would take 20 to 25 mins. Stir the onions occasionally.
flour mixture is added to browned onions in deep pot
Add flour and quickly mix well
chicken stock is being added to caramaelized onion in deep pot
In goes some chicken stock and water.
bay leaf is added to onion soup in deep pot
Add bayleaf
a small bowl of pepper and salt is added to onion soup in deep pot
Add pepper and salt
rosemary is being added to french onion soup in deep pot
Add dried rosemary.
french onion soup in deep pot
Let the soup simmer for 15 to 20 mins in low heat, stirring occasionally.
french onion soup served in ramekin
Pour some soup in serving bowl and Toast the bread in oven for by spreading the slices of bread in baking sheet, broil for 3 mins and flip and broil for another 3 mins until they are crispy and golden.
toasted bread is placed over the french onion soup in ramekin
Place a toasted bread over the soup in a serving bowl
mozzerela cheese is sprinkled over the bread in ramekin
Sprinkle mozzerala cheese over the bread 
ranmekin with mozzarela on top is kept in the oven rack
broil for 3 to 5 mins till the cheeses are melted. Carefully take out from the oven and serve.

french onion soup with cheesy bread is served in ramekin

Single serving:

cheese is melted over the bread in pan

Simply you can toast the bread in pan and flipping on Both the sides until they are golden. Spread some mozzerala cheese over the bread and cover with lid.

cheese bread is being placed over the french onion soup in ramekin

once the mozzarella cheese melts away, carefully place over the soup and serve.

cheese bread placed over the ramekin
Sprinkle red chilli flakes and serve.

french onion soup served in small ramekins

Tips to make Best French onion soup:

Onions: Slice the onions thinly, Caramelization of the onions is the most import process in making of French onion soup. Stirring occasionally helps the onions not to burn/stick to the bottom of the pan.

Originally beef stock is used in making French onion soup, I used chicken stock to make it. Use home-made chicken stock for best results.

I have used flour in this recipe, once the flour is added, mix in quickly so that the flour is combined well to avoid lumps. Adding flour also gives your soup slightly creamier.

Traditional Gruyere cheese is added, it is not available in my region, therefore I added mozzarella.

Simmer: Simmer the soup adds great flavor to the soup with rich and bold flavors.

For seasoning I used pepper and salt, you could also use chili flakes, fresh parsley, thyme.

classic french onion soup served in ramekin

FAQS

What kind of onions do you use for French onion soup?

Yellow onions are the best onions to use in French onion soup. They have mild sweetness and sweetness with bright flavor.

Can I use red onions for French onion soup?

Yes, caramelized red onions give you deeper flavor with a slightly bitter edge and less sweetness.

How long is homemade French onion soup good for?

Bring the French onion soup to room temperature, store in the air-tight container and refrigerate for 3 to 4 days.
To freeze: Freeze the soup in heavy-duty freezer bags can be freezed upto a month

How dark should caramelized onions?

Caramelized onions should be far darker than golden in color. Cook the onions over the medium heat for 30 to 35 mins stirring occasionally to get a caramelized onions.

What type of cheese can be added other than gruyere cheese?

You can use mozzarella cheese, swiss, Jarlsberg, gauda (any flavourful cheese)

What type of bread can be used for French onion soup?

Bread like the baguette, white bread works well.

What goes good with French onion soup?

French onion soup can be served with a crusty slice of toasted bread or salad.

More amazing Recipes:

Drumstick leaves soup (Moringa leaves soup)

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Indian Chicken Soup

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French onion soup


  • Author: Nithya Narasimhan
  • Prep Time: 5 minutes
  • Cook Time: 40 minutes
  • Total Time: 45 minutes
  • Yield: 3 1x

Description

Best and Simplified version of Classic French onion soup extremely flavourful, caramelized onions are simmered and served with crunchy bread with cheesy toppings! This is simple and Hearty soup!


Ingredients

Scale
  • 6 – White onions
  • 2 bay leaf
  • 1 tsp pepper powder
  • 1 tsp salt
  • 2 tbs butter
  • 2 tbs garlic
  • 1 tbs flour
  • 3 cups of chicken stock
  • 1 tsp rosemary
  • 1 cup of water
  • 4 slices of bread
  • 1 cup Mozzarella cheese

Instructions

  1. Ingredients to make French onion soup are taken
  2. In a deep pot, heat up butter. Let it melts for a few seconds.
  3. Add minced garlic and saute for a minute.
  4. Add in sliced onions
  5. Give a good mix
  6. Over medium heat, cook the onions until they are nicely browned, that would take 20 to 25 mins. Stir the onions occasionally.
  7. Add flour and quickly mix well
  8. In goes some chicken stock and water.
  9. Add bay leaf, salt, and pepper
  10. Add dried rosemary.
  11. Let the soup simmer for 15 to 20 mins in low heat, stirring occasionally.

Before you serve:

  1. Toast the bread in the oven for by spreading the slices of bread in the baking sheet, broil for 3 mins and flip and broil for another 3 mins until they are crispy and golden.
  2. Place a toasted bread over the soup in a serving bowl
  3. Sprinkle mozzarella cheese over the bread and broil for 3 to 5 mins till the cheeses are melted.
  4. Carefully take out from the oven and serve.

For individual serving:

  1. Simply you can toast the bread in the pan and flipping on Both the sides until they are golden.
  2. Spread some mozzarella cheese over the bread and cover with lid.
  3. once the mozzarella cheese melts away, carefully place over the soup and serve.
  4. Sprinkle red chili flakes and serve.

Notes

Tips to make the best French onion soup:

Onions: Slice the onions thinly, Caramelization of the onions is the most import process in making of French onion soup. Stirring occasionally helps the onions not to burn/stick to the bottom of the pan.

Originally beef stock is used in making French onion soup, I used chicken stock to make it. Use home-made chicken stock for best results.

I have used flour in this recipe, once the flour is added, mix in quickly so that the flour is combined well to avoid lumps. Adding flour also gives your soup slightly creamier.

Traditional Gruyere cheese is added, it is not available in my region, therefore I added mozzarella.

Simmer: Simmer the soup adds great flavor to the soup with rich and bold flavors.

  • Category: Appetiser, Soup, Starter
  • Cuisine: French

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