Slow Cooker Flank Steak Au Jus Sandwiches

Prep Time:30 minutes Cook Time: 45 minutes Servings: 4 minutes

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
Directions:
  1. Stir together the olive oil, brown sugar, salt, cumin, paprika, pepper, and garlic, forming a paste; rub the paste into both sides of the steak, using all of the mixture. Place the onion slices in a 5- to 6-quart slow cooker; top with the steak. Pour the beer and soy sauce over the steak. Add the bay leaf and thyme. Cover and cook on LOW until the steak is tender, 7 to 8 hours.
  2. Transfer the steak and onions to a platter, reserving the cooking liquid in the slow cooker; cover the steak and onions with aluminum foil to keep warm.
  3. Pour the reserved cooking liquid through a wire-mesh strainer into a medium saucepan, discarding the solids. Bring to a boil over high, and boil until the sauce is reduced to about 1 1/2 cups, about 12 minutes. Stir together the cornstarch and water in a small bowl; drizzle into the sauce, and whisk until blended. Reduce the heat to medium-high, and simmer, stirring often, until thickened, about 1 minute. Shred the steak with 2 forks. Divide the steak and onions among the toasted rolls. Pour the sauce into dipping bowls, and serve with the sandwiches.