Italian Wedding Soup

Name: Italian Wedding Soup
Prep time: 15 min
Cook time: 25 min
Total time: 40 min
Yield: 6
Ingredients: Ingredients; Meatballs; 1/2 lb ground beef; 1/2 lb ground pork; 1/4 cup breadcrumbs; 1/4 cup grated Parmesan cheese; 1 egg, lightly beaten; 2 cloves garlic, minced; 2 tablespoons fresh parsley, chopped (or 1 teaspoon dried parsley); 1 teaspoon dried oregano; Salt and pepper, to taste; Soup; 1 tablespoon olive oil; 1 small onion, diced; 2 carrots, peeled and sliced; 2 celery stalks, sliced; 8 cups chicken broth; 1/2 cup acini di pepe pasta (or any small pasta like orzo); 4 cups fresh spinach or escarole, chopped; Salt and pepper, to taste; Grated Parmesan cheese (for garnish); Fresh parsley (for garnish, optional)