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Hasselback Cheesesteak Sandwiches

These savory sandwiches feature thinly sliced beef, gooey melted cheese, and crispy peppers and onions, all nestled in a hasslebacked loaf of soft, pillowy bread. It's the perfect comfort food for any time of the day.

Tasty Team
May 04, 2023
91% would make again

Under 30 minutes

Under 30 minutes


for 5 servings

  • 1 loaf whole wheat bread
  • 2 green bell peppers
  • 1 lb flank steak (455 g)
  • 1 teaspoon salt, plus more to taste
  • 1 teaspoon pepper, plus more to taste
  • 1 tablespoon vegetable oil
  • 1 medium white onion, thinly sliced
  • 13 slices provolone cheese

Nutrition Info

  • Calories 235
  • Fat 10g
  • Carbs 7g
  • Fiber 1g
  • Sugar 0g
  • Protein 27g

Estimated values based on one serving size.


  1. Place the loaf of bread on a cutting board with a chopstick on either long side of the loaf. Make 9 equal slices crosswise through the loaf, using the chopsticks to keep from cutting all the way through.
  2. Cut around the sides of the bell peppers, discarding the centers with the ribs and seeds, then thinly slice.
  3. Season the flank steak all over with salt and pepper.
  4. Thinly slice the steak at a 45-degree angle into ½-inch (1 ¼ cm) thick pieces.
  5. Heat the oil in a large cast-iron skillet over high heat. Cook the steak for 4 minutes on each side, or until a nice brown crust forms. Remove the steak from the pan and set aside.
  6. Preheat the oven to 350°F (180°C). Line a baking sheet with parchment paper.
  7. Add the onion to the pan and cook for 5 minutes until it starts to soften and brown on the edges.
  8. Move the onions to one side of the pan and add the peppers to the other side. Season with salt and pepper to taste. Cook the peppers and onion for another 5 minutes, or until caramelized. Remove the pan from the heat.
  9. Set the sliced loaf of bread on the prepared baking sheet.
  10. Fold 9 provolone slices in half and place in between the slices of bread. Place 2 pieces of flank steak in every other slit. Place peppers and onion in the slits with the steak. Place the remaining 4 slices of provolone over the loaf of bread.
  11. Bake for 20 minutes, or until the cheese is browned.
  12. Pull apart the sandwich at the slits with just cheese.
  13. Enjoy!
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