The Italian term for this sauce is ragu Bolognese, or simply ragu.
We know what you are thinking; Grandmother would never use a jarred sauce.
But if she could taste this recipe, she may just give a nod of approval.

Credit: Greg DuPree
Reduce heat to low; simmer 15 minutes.
Cook pasta according to package directions, reserving 1/2 cup cooking water.
Stir chopped basil into meat sauce.
Serve sauce over cooked spaghetti.
Garnish with shaved Parmesan cheese, if desired.
(Try this to speed up blanching or boiling vegetables too.)