Whole30 Mediterranean Soup With Sausage

large onion, (chopped)

carrots, (sliced or diced)

ground pork

stalk celery, (sliced)

garlic, (minced)

mushrooms, (sliced)

Italian style tomatoes, (undrained)

chicken broth

zucchini, (sliced)

baby spinach

ground oregano

fennel, (ground)

red pepper flakes ((more or less))

salt ((to taste))

ground black pepper ((to taste))

Extra virgin olive oil