Authentic Onion Gratin Soup

Authentic Onion Gratin Soup

The onion soup soaked baguette coated in melted cheese is amazing!
The prep time is reduced by cooking the caramelized onion in a covered pan.
The secret ingredient adds more flavoring.

Ingredients: 4 servings

For the onion soup:
Onion (medium)
10 g
600 ml
2 tablespoons
☆Chicken consommé cubes
2 cubes
☆Salt and pepper
to taste
For the baguette / garlic toast:
4 cm
1 clove
a pat
For the topping:
Shredded cheese
4 tablespoons
Fresh parsley
as much as you like


1. Thinly slice the onion lengthwise. Melt the butter in a deep pan and lightly sauté the onion. Cover and simmer over medium to high heat for about 10 minutes.
2. Uncover and sauté for 5 minutes. *Scrape the brown bits stuck to the bottom of the pan.
3. Cook for another 5 minutes.
4. Add the water, sake, and chicken consommé cubes (break up the cubes before adding), and cook over medium heat for 5 minutes. Season with salt and pepper and adjust the saltiness. The soup base is done.
5. While the soup is still hot, transfer to heat-resistant bowls and top with the garlic bread ( see Step 7) and cheese. You can also use a lightly toasted baguette instead of garlic bread.
6. Preheat the oven and bake at 180℃ for about 15 minutes or bake in the toaster oven for about 7 minutes. It's ready when the tops are browned. It's easier to bake in the toaster oven if you're just preparing 1 or 2 serving(s).
7. <For the baguette> Cut the garlic clove in half. Rub a 1 cm thick slice of baguette with the cut side of the garlic. Thinly spread butter and toast in a toaster oven.
8. Make a large batch, and store the caramelized onions and garlic bread in the freezer for later use. (To defrost the toast, put it in the refrigerator overnight.)
9. The reason for baking is to melt the cheese and brown the top; this could be done with either an oven or a toaster oven.
10. The baguettes that have absorbed the soup and the melted cheese on top taste amazing! I used small slices of baguettes and put 2 in each bowl.

Story Behind this Recipe

I found out it is easier to make this soup in a pan covered with a lid than in microwave!
This is a recipe for onion gratin soup that can be cooked easily and quickly.

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