Grandmother’s French onion soup: the easy recipe

Peel and finely chop the onions. Sauté them in a pot with the butter. Add the flour and mix.

Pour the chicken broth, bring to a boil, then lower the heat and let simmer covered for 30 minutes.

Meanwhile, place the slices of bread under the oven grill, and remove them when they are nicely browned.

To finish, pour the soup into bowls, add the slices of bread cut into small cubes. Then generously cover with grated cheese. Place everything under the broiler for 5 minutes...