Easy Flank Steak Sandwich on Sourdough Toast

18 January, 2022

            Easy Flank Steak Sandwich on Sourdough Toast

Prep Time: 5 minutes

Cook: 10-14 minutes

Ready In: 15-19 minutes


Ingredients (Serves 8):

  • 2 pounds Nolan Ryan flank steak, trimmed of all fat 
  • 4 tsp. vegetable oil 
  • 4 tsp. Nolan Ryan Steak Seasoning (recipe below) 
  • 16 slices fresh sourdough bread 
  • 4 avocados, peeled, pitted and sliced thin 
  • 1 head iceberg lettuce, shredded 
  • 2 large tomatoes, sliced thin 
  • 2 large red onions, sliced thin 
  • 1 recipe of Sriracha Aioli (recipe below) 
  • Sriracha Aioli Ingredients: 
  • 6 Tbsp. mayonnaise 
  • 2 Tbsp. sriracha hot sauce 
  • 2 tsp. freshly ground black pepper 
Sriracha Aioli Ingredients:
  • 6 Tbsp. mayonnaise
  • 2 Tbsp. sriracha hot sauce
  • 2 tsp. freshly ground black pepper


  1. Preheat the grill to medium-high and lightly oil the grill grates.
  2. Rub the steaks all over with the oil and steak seasoning.
  3. Cook the steaks (in batches, if necessary) for 5-7 minutes per side for medium-rare.  Transfer the steaks to a cutting board to rest for 10 minutes.
  4. Place the sourdough slices on the grill and toast until light brown on both sides.
  5. Cut the steaks diagonally across the grain into thin strips.
  6. Make the steak sandwiches with avocado, lettuce, tomato, and onion, and top with sriracha aioli.

Sriracha Aioli Directions:

Prep Time:5 minutes
Cook Time: n/a
Makes ½ cup

Combine all of the ingredients in a small bowl, cover and chill in the fridge until ready to use.