01 -
In a large pot, heat olive oil over medium heat.
02 -
Add onion, carrots, and celery. Cook until soft, about 5 minutes.
03 -
Add garlic and cook for 1 more minute.
04 -
Pour in broth, bring to a boil, then add other vegetables or protein.
05 -
Reduce heat and simmer for 15–20 minutes.
06 -
Season with salt and pepper. Serve warm with fresh herbs.