Heat oil in a large pot over medium-high heat. Add onions, carrots, and celery. Cook for 4 minutes.
Add garlic and cook until fragrant- 30-60 seconds.
Add broth, tomatoes, potatoes, and herbs. Season with sand and pepper to taste. Bring to a boil.
Once boiling, add green beans. Reduce heat to medium-low. Cover and simmer for 20-30 minutes, or until potatoes are tender.
Add corn and peans and cook for 5 minutes.