Preheat oven to 400°F (200°C).
In a bowl, mix together ground beef, Panko, milk, egg, allspice, nutmeg, salt, and pepper. Form into small meatballs.
Arrange meatballs on a baking sheet and bake for about 20 minutes.
Cook egg noodles according to package instructions; drain.
In a skillet, heat olive oil over medium heat. Add garlic and cook for 1 minute.
Whisk in flour until lightly browned. Gradually whisk in beef broth, heavy cream, Worcestershire sauce, and Dijon mustard. Cook, whisking continuously, until slightly thickened.
Add the meatballs to the skillet and cook for a few minutes.
Stir in the cooked noodles, and season with salt and pepper.
Garnish with parsley before serving.