Slow Cooker Flank Steak Au Jus Sandwiches
Juicy flank steak, beefy sauce and caramelized onions come together easily to create this delectable hoagie sandwich. The flank steak is tender, moist and flavor-packed, making it a great base recipe not only for these sandwiches but also for any recipe that calls for shredded beef, such as Italian sandwiches or chili.
Ingredients
- 1 ½ tablespoons olive oil
- 2 tablespoons dark brown sugar
- ¾ teaspoon kosher salt
- 1 teaspoon ground cumin
- 1 teaspoon paprika
- 1 teaspoon black pepper
- 3 garlic cloves, grated (about 1 tablespoon)
- 2 pounds flank steak, trimmed
- 1 large onion (about 13 3/8 ounces), cut into thin slices
- 1 (12 ounce) bottle beer (such as yuengling lager)
- 2 tablespoons lower-sodium soy sauce
- 1 bay leaf
- 1 teaspoon fresh thyme leaves
- 2 teaspoons cornstarch
- 1 teaspoon water
- 8 small whole-wheat hoagie rolls, split and toasted

