
Chef John's Ultimate Steak Sandwich
Prep Time: 10 min
Cook Time: 20 min
Ingredients
- ✓ 1 (2 pound) fully-trimmed flat iron steak
- ✓ salt and pepper
- ✓ 8 ounces brown clamshell mushrooms, grilled, separated
- ✓ salt and pepper to taste
- ✓ 1 tablespoon sherry vinegar
- ✓ 2 tablespoons extra virgin olive oil
- ✓ 3 tablespoons barbeque sauce
- ✓ 2 tablespoons vegetable oil
- ✓ 1 tablespoon cider vinegar
- ✓ 6 hot dog buns
- ✓ ½ cup mayonnaise, or as needed
- ✓ 1 cup arugula leaves, or as needed
- ✓ 1 cup quartered cherry tomatoes