Crockpot Lasagna Soup

medium (2-pound) butternut squash, peeled, seeded, and cut into 1/2-inch cubes (about 5 cups total)

sliced cremini (baby bella) mushrooms

small/medium yellow onion, finely chopped (about 3/4 cup)

cannellini beans, drained and rinsed

garlic, minced (about 1 1/2 tablespoons)

dried bay leaves

kosher salt

ground black pepper

crushed tomatoes

reduced-sodium chicken or vegetable stock

whole wheat lasagna noodles

fresh baby spinach leaves

dry white wine (or substitute additional vegetable stock, or simply omit it)

chopped fresh thyme

part-skim ricotta cheese

freshly grated mozzarella cheese

chopped fresh parsley

kosher salt