Low-Carb Stuffed Pepper Soup

Name: Low-Carb Stuffed Pepper Soup
Prep time: 20 min
Cook time: 1 h 10 min
Total time: 1 h 30 min
Cuisine: American
Ingredients: 4 tsp. olive oil; 1 onion, chopped small; 1 T Italian Herb Blend; 2 large green bell peppers, seeds and stems removed and chopped into half-inch pieces; 19.5 oz. uncooked turkey Italian sausage, squeezed out of the casing (); 1 lb. ground beef; 2 15 oz. cans crushed tomatoes + 2 cans water (rinse out the can with the water); 4 14 oz. cans beef broth (or use 7 cups homemade beef stock); 1 T Worcestershire Sauce (or more); 1/2 cup ketchup (I used Heinz Reduced-Sugar Ketchup); 2 cups frozen cauliflower rice (Available at Trader Joes, Target, Kroger, and many other stores.); salt and fresh-ground pepper to taste; freshly-grated Parmesan for serving (optional)