In a medium bowl, combine paprika, chili powder, minced onion, coriander, garlic powder, onion powder, salt, pepper, and red pepper. Trim fat cap on beef brisket to ⅛-inch thickness. Rub entire surface of beef brisket completely with spice mixture. Place beef brisket, fat side up, in a large disposable aluminum foil roasting pan.
In a small bowl, combine marmalade, ketchup, and mustard. Spoon marmalade mixture over top of beef brisket. Cover with aluminum foil. Bake for 7 hours. Remove fat from meat. Shred meat, and serve with sauce from pan.
Recipe by Southern Lady Magazine at https://southernladymagazine.com/barbecue-beef-brisket-recipe/