Easy Mozzarella Stuffed Meatballs

Name: Easy Mozzarella Stuffed Meatballs
Prep time: 15 min
Cook time: 25 min
Total time: 40 min
Cuisine: Italian
Ingredients: 1 1/2 pounds lean ground beef; 1 small yellow onion (finely chopped); 1/2 cup breadcrumbs; 1/3 cup freshly grated Parmesan cheese (plus extra for sprinkling); 2 eggs (lightly beaten); 3 cloves of garlic (minced); 2 tablespoons fresh parsley (chopped); 2 tablespoons fresh basil (chopped); 1/2 teaspoon kosher salt; 1/8 teaspoon fresh black pepper; 8 ounces mozzarella cheese ball (cut into 1/2 inch square pieces); 1 tablespoon olive oil; 1/2 cup yellow onion (diced); 2 cloves of garlic (minced); 1/2 teaspoon cornstarch; 1/4 cup dark red wine ((optional)); 1 (28 ounce) can of crushed tomatoes