Perfect recipe for cold weather.

1 onion
4 cups beef broth
100gr grated mozzarela cheese
2 slices of bread
1/4 cup water

In a medium pot pour the water and leave it to boil.
Slice the onion into thin pieces and add to the pot.Steam until soft.
Add the beef broth,leave it to boil and simmer for 15-20min.
Serve in a bowls and sprinkle some mozzarela on the top.
Add croutons from the bread to the soup also.