Instructions

  1. In hot Dutch oven, brown arm roast in oil.
  2. Cover and simmer for 1 1/2 hours adding water if necessary (if lid fits well, adding water shouldn't be necessary).
  3. Add onion and garlic and continue simmering for 1 hour, oruntil beef is fork tender.
  4. With two forks, break meat into coarse shreds and chunks.
  5. Add remaining ingredients, bring back to a simmer.
  6. Cover and simmer 1 hour.
  7. Grill lightly buttered hamburger buns and pile on the meat.