Onion soups have been popular for centuries and date back to the Roman era. It was often a preferred soup for the poor because onions were plentiful and easy to grow. The modern version, however, originated in 18th-century France
You'll need onions, vegetable broth and a few other simple ingredients.
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These thicken the soup a bit and add extra flavor.
Add the rest of the soup ingredients and simmer for 30 min.
Ladle into oven-safe ramekins, then top with toasted bread and some cheese. Broil until the cheese melts.
Grab a spoon and dig in. Breaking through the melty cheese and toasted bread to get the soup is heaven.