How to prepare a perfect Vegetable broth

Ingredients:
2l water,
1 large carrot,
1 whole red onion,
1 whole celery stick,
salt

Preparation
Place the water, the whole carrot, the red onion and the celery stick in a large pot and bring it to boil covered on a high heat. When the water starts boiling add a table spoon of salt, turn the heat to medium and leave cooking for 60 minutes without closing the lid completely to allow a small evaporation of the water. Once the broth is ready, remove the vegetables and ladle it.

Buon Appetito!