BBQ Beef Brisket smothered with a sticky barbecue sauce

beef brisket (61%), barbecue sauce (25%) (water, brown sugar, spirit vinegar, sugar, tomato purée, cornflour, whiskey, molasses, onion powder, garlic powder, paprika, salt, black pepper, allspice, tamarind concentrate, cayenne pepper, caramelised sugar, ginger, concentrated lemon juice, clove), water, sugar, cornflour, garlic powder, smoked paprika, salt, black pepper, onion powder, cayenne pepper, ginger, caramelised sugar, rapeseed oil, paprika extract.