Chickpea Tomato Soup with Rosemary (Instant Pot, Slow Cooker and Stove Top)

olive oil

chopped onion

diced carrots

diced celery

garlic cloves, minced

chickpeas, rinsed and drained

crushed tomatoes

reduced sodium chicken broth (or vegetable broth for vegetarians)

fresh rosemary sprig

bay leaves

chopped fresh basil

fresh black pepper,

fresh baby spinach

shredded parmesan cheese, plus extra optional for garnish