Italian Wedding Soup

Name: Italian Wedding Soup
Prep time: 25 min
Cook time: 25 min
Total time: 50 min
Cuisine: Italian
Ingredients: 8 oz lean ground beef; 8 oz ground pork; 1/2 cup fresh hearty white bread crumbs*; 1/4 cup chopped fresh parsley; 1 1/2 tsp minced fresh oregano; 1/2 cup finely shredded parmesan; 1 large egg; Salt and freshly ground black pepper; 1 Tbsp olive oil; 1 Tbsp olive oil; 1 1/4 cups 1/4-inch diced carrots; 1 1/4 cups diced yellow onion; 3/4 cup 1/4-inch diced celery; 4 cloves garlic (, minced (1 1/2 Tbsp)); 5 (14.5 oz) cans low-sodium chicken broth; 1 cup dry acini de pepe or orzo pasta**; 6 oz fresh spinach (, chopped); Finely shredded parmesan (, for serving)