Turkey + Sausage + Spinach + White Bean Soup

Name: Turkey + Sausage + Spinach + White Bean Soup
Cuisine: American
Ingredients: 1 1/2 lbs. ground turkey or chicken; 1 Tbsp extra virgin olive oil; 1 large red or yellow onion (diced); 1 tsp fennel seeds; 4 fresh garlic cloves (minced); 1 tsp dried oregano; 1 bay leaf; 1 cup carrots (peeled and chopped or baby carrots); 4 ribs fresh celery (sliced); 2 15 oz. cans white beans, drained and rinsed; 6 cups chicken bone broth; 2-3 cups fresh baby spinach (or baby kale); sea salt and freshly ground black pepper (to taste about 1/4 teaspoon each); a handful of fresh parsley leaves (chopped); fresh grated Parmesan cheese; red pepper flakes