Heat oil over medium heat in a 4 quart dutch oven. Add onion, celery, carrots and garlic. Cook for 5 minutes.
Stir in broth, squash and tomatoes. Bring to a boil then reduce heat, cover & simmer for 20 minutes.
Add beans, zucchini, broccoli, oregano, salt, and pepper. Cook 5 more minutes.
Top with microgreens & serve, sprinkled with cheese.