Cook the spaghetti noodles according to package instructions. Set aside.
Heat the homemade marinara sauce in a sauce pan. If you are using the bottled spaghetti sauce purchased from the grocery store, you can saute 1 small onion (minced) before adding the sauce to make it more flavorful.
Add-in the meatballs. Let boil and continue to cook in low heat for 10 to 15 minutes. Add salt and pepper to taste.
Arranged the spaghetti noodles in a plate. Top with spaghetti sauce and meatballs. Sprinkle some Parmesan cheese on top.
Serve. Share and enjoy!