- Cut Brisket into 3 to 4 pieces. Heat oil in stockpot over medium heat until hot. Place beef brisket in stockpot; brown pieces evenly. Remove brisket from stockpot; set aside.
- Add onions to stockpot; cook on low heat 18 to 22 minutes until lightly caramelized, stirring occasionally. Add broth, soy sauce, soup mix and garlic. Return brisket to stockpot; bring to a boil. Reduce heat; cover tightly and simmer 2-1/2 to 3 hours or until brisket is fork-tender.
- Remove brisket; keep warm. Skim fat from cooking liquid. Carve brisket against the grain into very thin slices. Divide brisket evenly among rolls. Close sandwiches.
- Serve sandwiches with cooking liquid on the side for dipping.
Credit to BeefItsWhatsForDinner.com