🍲 Recipes

Kings Flat Iron Steak Sandwich

By Jackie B • Beef Sandwiches • Cuisine?
4.18 Prep: 20m Cook: 15m
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
Created: Sep 23, 2025 Updated: Sep 23, 2025