Heat oil in a large heavy bottomed dutch oven with lld over high heat.
Add brisket, fat side down and sear until golden brown, 8 to 10 minutes.
Flip brisket and sear the other side until golden brown.
Remove brisket from pan and drain any fat out of pan, return pan to stove and add honey, until caramelized, about 2 minutes.
Reduce heat to medium and add garlic onion, cinnamon, star anise, ginger, crushed red pepper, and bay leaves. Stir to coat everything with the honey and softens, about 2 minutes.
Add beef broth, soy sauce, vinegar, and fish sauce. return the brisket to the pot, making sure it is at least 3/4 covered.
Bring the liquid to a simmer, reduce heat and cover, cooking for about 3 - 3.5 hours, until it's completely tender.
Transfer brisket to a cutting board and strain and reserve the liquid.
Sliced the brisket and return to the pot or serving platter
Toss herbs together and top the brisket with it.
Serve on top of noodles, shredded carrots and celery and the braising liquid.