Choose your favorite bun.
Chop and fry onion until golden brown.
Meanwhile, shape meat into meatballs and fry for about 3 minutes on each side.
Until meatballs are golden brown.
In a cooking pot, stir the spaghetti sauce with some salt & pepper, and add the meatballs. Cook for about 5 minutes.
After the onion is golden brown, add one teaspoon of sugar, and fry for two more minutes.
Place meatballs inside a bun.
Add the onion on top of it.