Sloppied Flank Steak Sandwiches

By MORRISONAL

4.41 / 5

10min

4h 05min

See on AllRecipes

1 ½ pounds beef flank steak
1 tablespoon steak seasoning such as Montreal Steak Seasoning®
1 tablespoon olive oil
¼ cup brown sugar
1 small onion chopped
1 small red bell pepper chopped
1 tablespoon apple cider vinegar
1 tablespoon Worcestershire sauce
2 cups tomato sauce
2 tablespoons tomato paste
6 hamburger buns split and toasted