Preheat oven to 350° F

Cover the bottom of thr brasing pan with chopped onions

Place the brisket over the chopped onions

Sprinkle the brisket on all sides with salt, pepper, basil, and oregano

Place the brisket in the oven and cook uncovered for 1 hour

Reduce the oven heat temperature to 325°F

Pour the tomato sauce over the brisket, sprinkle again with additional salt, pepper, basil, and oregano

Over the braising pan with a lid, and cook for a remaining 4 hours