Combine all ingredients, except beef broth and brisket, and mix well.
Season brisket on both sides with mixture and place in a roasting pan.
Roast in a preheated 350° F oven for 1 hour.
Combine beef broth with equal amount of water. Add enough liquid to the roasting pan to achieve 1/2-inch liquid in pan. Cover roasting pan, lower heat to 325° F and continue cooking for 4 to 5 hours, basting frequently.
Remove from oven when instant read thermometer registers 185° F. Let rest 15 minutes before slicing.
Trim all fat and slice meat thinly across the grain.
Servings: 8 to 10