Chef John's Ultimate Steak Sandwich Recipe

Indulge in the ultimate steak sandwich with this recipe from Chef John. The tender and flavorful steak is paired with caramelized onions, melted cheese, and a tangy horseradish cream sauce, all served on a crusty baguette. This sandwich is a satisfying meal that is sure to impress!

Ingredients

• 1 boneless strip steak (about 12 ounces)
• Salt and freshly ground black pepper
• 2 tablespoons olive oil
• 1 onion, thinly sliced
• 2 cloves garlic, minced
• 2 tablespoons mayonnaise
• 1 tablespoon prepared horseradish
• 1 teaspoon Dijon mustard
• 1 tablespoon chopped fresh parsley
• 1 baguette, cut into 4 sandwich-sized pieces
• 4 slices provolone cheese
• 4 lettuce leaves
• 4 tomato slices

Directions

1. Season the steak generously with salt and pepper on both sides.
2. Heat olive oil in a large skillet over high heat.
3. Add the steak and cook for 3-4 minutes per side for medium-rare or adjust the cooking time based on your desired doneness.
4. Transfer the steak to a cutting board and let it rest for 10 minutes.
5. Meanwhile, in the same skillet, add the sliced onions and cook over medium-low heat until golden brown and caramelized, about 15-20 minutes.
6. Add minced garlic and cook for an additional 1 minute.
7. In a small bowl, mix together mayonnaise, horseradish, Dijon mustard, and chopped parsley to make the horseradish cream sauce.
8. Slice the baguette pieces in half lengthwise and toast them if desired.
9. Spread the horseradish cream sauce on both sides of each baguette slice.
10. Thinly slice the rested steak against the grain.
11. Assemble the sandwiches by layering the steak, caramelized onions, provolone cheese, lettuce, and tomato slices on the baguette slices.
12. Serve immediately and enjoy!

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