Pepper-Crusted Beef, Bacon, and Arugula Sandwiches with Spicy Mustard

Ingredients

• 12 mushrooms
• 6 3- to 4-inch-diameter kaiser, egg, or country-style rolls
• 6 tablespoons mayonnaise
• 3 cups baby arugula
• 1 pound sliced bacon
• Olive oil
• 6 tablespoons fresh lemon juice
• + 4 more ingredients
• • 3 8-ounce beef tenderloin steaks
  • 3 tablespoons black peppercorns
  • 2 tablespoons spicy Dijon mustard
  • 1 tablespoon prepared white horseradish

Coat steaks all over with pepper. Mix mayonnaise, mustard, and horseradish in small bowl for dressing. Cover steaks and dressing separately and refrigerate at least 30 minutes and up to 1 day. Toss thinly sliced mushrooms and lemon juice in medium bowl to coat evenly. Sprinkle lightly with salt. ...

View full recipe at Epicurious