Easy, Supremely-Satisfying Sausage Meatball Soup

Name: Easy, Supremely-Satisfying Sausage Meatball Soup
Prep time: 15 min
Cook time: 30 min
Total time: 45 min
Cuisine: European, Italian
Ingredients: 1 medium yellow onion; 4 cloves garlic; 1 pound uncooked sweet or hot Italian sausage; 2 tablespoons olive oil, divided; 4 cups low-sodium chicken broth; 1 (28-ounce) can crushed tomatoes; 1 cup dried ditalini or small shell pasta; 1/2 teaspoon kosher salt; 1/4 teaspoon freshly ground black pepper; 5 ounces baby spinach (about 5 packed cups); Grated Parmesan cheese, for serving