Turkey Florentine Meatballs with Spaghetti

Name: Turkey Florentine Meatballs with Spaghetti
Cook time: 1 h
Total time: 1 h
Cuisine: Italian
Ingredients: 1/2 cup dried breadcrumbs; 1/4 cup whole milk; 1 pound ground turkey; 1 large egg, lightly beaten; 3 ounces fresh baby spinach, finely chopped; 1/2 tsp salt; 1/4 tsp pepper; 2 TBSP olive oil; 3 garlic cloves, minced; 7 ounces fresh baby spinach, roughly chopped; 1 yellow onion, diced; salt & pepper; 28-ounce can crushed tomatoes; 1/2 tsp dried oregano; 1 pound uncooked spaghetti; freshly grated Parmesan cheese for serving