how long slow cook brisket
Slow cookers are a great way to prepare brisket. However, how long you cook it depends on the brisket size. Cooking on the low setting, a brisket under 3 pounds will cook within 6-8 hours and larger briskets (above 4 pounds) will take 8-11 hours to cook.add a comment.owever, how long you cook it depends on the brisket size. Cooking on the low setting, a brisket under 3 pounds will cook within 6-8 hours and larger briskets (above 4 pounds) will take 8-11 hours to cook. add a comment.