Kings Flat Iron Steak Sandwich
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