Ingredients:

For the meatballs:
1 1/2 lbs ground beef
1/2 cup breadcrumbs
1/2 cup milk
1 egg
2 teaspoons Worcestershire sauce
1 small onion, minced
1-2 cloves garlic, minced
1/4 cup fresh parsley, chopped
1 teaspoon dried oregano
Kosher salt and freshly ground pepper, to taste
For the sauce:
1 cup mozzarella cheese, grated
1/4 cup parmesan cheese, grated
2 cups chicken broth
3/4 cup heavy whipping cream
1 clove garlic, smashed
2 tablespoons butter
2 tablespoons all-purpose flour
1/4 teaspoon ground nutmeg
Kosher salt and freshly ground pepper, to taste