Kings Flat Iron Steak Sandwich
- Category: Beef Sandwiches
- Author: Jackie B
- Rating: 4.18
- Prep time: 20 min
- Cook time: 15 min
Ingredients
- 4 sandwich rolls, partially split
- 4 teaspoons softened butter
- 2 teaspoons garlic powder
- 2 tablespoons vegetable oil
- 4 (4 ounce) thinly-cut flat iron steaks
- ½ cup fresh spinach leaves
- 1 tomato, sliced
- 1 avocado, sliced
- 8 thick slices fresh mozzarella cheese
- 2 teaspoons balsamic vinegar, for drizzling