Steakhouse-Style Beef Tenderloin Sandos

🥘 Ingredients

• arugula
  2 c
• beef tenderloin steak
  1 lb
• black pepper
  to taste
• cooking oil
  1 tbsp
• creamy horseradish sauce
  2 tbsp
• crispy fried onions
  2 tbsp
• demi-baguette
  2 pieces
• garlic herb butter
  2 tbsp
• garlic powder
  ½ tsp
• gouda cheese
  2 slices
• mayonnaise
  2 tbsp
• olive oil
  1 tbsp
• potatoes
  1 lb
• red wine vinegar
  2 tbsp
• salt
  to taste
• shallot (thinly sliced)
  1 piece
• sugar
  ½ tsp
• truffle seasoning
  1 tsp

🍳 Cookware

• baking sheet
• small bowl
• large bowl
• large pan
• small bowl

1. 

   1

   Preheat oven to 425°F with racks positioned at the top and middle. Wash and dry all produce.
2. 

   2

   On a baking sheet , toss potatoes with cooking oil , half the garlic powder , salt , and black pepper . Roast on the top rack until browned and tender ⏱️ 20 minutes .

   potatoes: 1 lb, cooking oil: 1 tbsp, garlic powder: ½ tsp, salt: to taste, black pepper: to taste
3. 

   3

   Meanwhile, in a small bowl , combine shallot , red wine vinegar , sugar , and additional salt. Cover tightly with plastic wrap and microwave until shallot is softened ⏱️ 30 seconds .

   shallot: 1 piece (thinly sliced), red wine vinegar: 2 tbsp, sugar: ½ tsp
4. 

   4

   Pat beef tenderloin steak dry with paper towels. Season all over with remaining garlic powder, a generous pinch of salt, and black pepper.

   beef tenderloin steak: 1 lb
5. 

   5

   While beef cooks, in a large bowl , toss arugula with olive oil , 1 tsp of the shallot pickling liquid, a pinch of salt, and black pepper.

   arugula: 2 c, olive oil: 1 tbsp
6. 

   6

   Heat additional olive oil in a large pan over medium-high heat. Sear beef until cooked to your desired doneness ⏱️ 5 minutes per side. Remove from heat and let rest ⏱️ 5 minutes .
7. 7

   Thinly slice beef against the grain. Toast demi-baguette until golden brown. Spread garlic herb butter on the inside faces. Layer with gouda cheese , sliced beef, pickled shallots (drained), arugula salad, and crispy fried onions .

   demi-baguette: 2 pieces, garlic herb butter: 2 tbsp, gouda cheese: 2 slices, crispy fried onions: 2 tbsp
8. 8

   In a small bowl , whisk mayonnaise with creamy horseradish sauce and truffle seasoning until smooth. Serve sandwiches with roasted potato wedges and truffle horseradish mayo on the side.

   mayonnaise: 2 tbsp, creamy horseradish sauce: 2 tbsp, truffle seasoning: 1 tsp