Debris Poboy

  • 1 boneless beef chuck roast (3 to 4 pounds)
  • 10 cloves garlic, cut in half lengthwise
  • 1 small onion thinly sliced
  • 2 teaspoons salt
  • 1 teaspoon freshly ground black pepper
  • 2 tablespoons vegetable oil
  • 2 cups beef stock or packaged low-sodium beef broth, plus more if necessary
  • 6 (6-inch) lengths poboy bread (or Italian or French bread)
  • 1 cup Blue Plate® mayonnaise
  • Thinly shredded iceberg lettuce
  • Sliced tomato
  • Louisiana-style hot sauce or tiger sauce®