California Blend Vegetable Soup with Parmesan Croutons

olive oil

garlic (minced)

shallot (finely diced)

medium head cauliflower (riced)

medium head broccoli florets (riced)

large carrots (grated)

vegetable stock

cayenne pepper (*optional)

Parmesan cheese (for serving)

slices day old sourdough bread (cubed)

olive oil

salt and pepper (to taste)

Parmesan cheese (shredded)