Instant Pot Vegetarian Minestrone Soup

extra virgin olive oil

medium onion, chopped

large carrot, chopped into 1/2 thick pieces

large parsnip, peeled and chopped into 1/2 thick pieces

stalk celery, chopped into 1/2 thick pieces

garlic, minced

zucchini, chopped into 1/2 thick pieces

russet potato, peeled and chopped into 1" chunks

(2) 15 ounce cans low sodium diced tomatoes

Easy Homemade Vegetable Stock or store bought low sodium vegetable stock

uncooked whole wheat pasta shells

green beans, trimmed and cut into 1" pieces

can low sodium kidney beans, rinsed and drained

bay leaf

large sprig fresh thyme or 1 teaspoon dried

freshly chopped rosemary or 1 teaspoon dried

fresh baby spinach

fresh lemon juice

Salt and freshly ground black pepper,

Freshly grated parmesan, for serving (optional)