Preheat oven to 375 degrees.
Cook spaghetti noodles and meatballs according to instructions.
Heat sauce on stovetop.
Stir spaghetti noodles in sauce until fully coated.
Place spaghetti noodles in nonstick muffin tin, ¾ full.
Top with 1-2 meatballs depending on size.
Bake in oven for 20 minutes, or until all ingredients are thoroughly cooked through.
Top with parmesan cheese and parsley for garnish.