Beef Tenderloin with Mushroom Sauce

🥘 Ingredients

• beef demi-glace
  2 tbsp
• beef tenderloin steak
  12 oz
• black pepper
  1 pinch
• brussels sprouts
  8 oz
• butter
  2 tbsp
• button mushrooms
  8 oz
• fingerling potatoes
  8 oz
• garlic
  2 cloves
• olive oil
  2 tbsp
• salt
  1 pinch
• sour cream
  1 tbsp
• water
  ¼ cup

🍳 Cookware

• baking sheet
• large pan

1. 

   1

   Adjust oven rack to top position and preheat oven to 425°F. Wash and dry all produce. Trim and halve brussels sprouts lengthwise. Halve fingerling potatoes lengthwise. Trim and thinly slice button mushrooms . Peel and mince garlic .

   brussels sprouts: 8 oz, fingerling potatoes: 8 oz, button mushrooms: 8 oz, garlic: 2 cloves
2. 

   2

   Toss Brussels sprouts on one side of a baking sheet with a drizzle of olive oil , salt , and black pepper . Toss potatoes on the empty side with a drizzle of olive oil, salt, and pepper. Arrange potatoes cut sides down. Roast on top rack until veggies are browned and tender, ⏱️ 22 minutes .

   olive oil: 2 tbsp, salt: 1 pinch, black pepper: 1 pinch
3. 

   3

   While veggies roast, pat beef tenderloin steak dry with paper towels; season all over with salt and pepper. Heat a large drizzle of olive oil in a large pan over medium-high heat. Add beef and cook to desired doneness, ⏱️ 5 minutes per side. Remove from pan and set aside to rest.

   beef tenderloin steak: 12 oz
4. 

   4

   Heat a drizzle of olive oil in the same pan over medium-high heat. Add mushrooms and cook, stirring, until softened and lightly browned, ⏱️ 3 minutes . Add garlic and cook until fragrant, ⏱️ 1 minute .
5. 

   5

   Stir in beef demi-glace and water , scraping up any browned bits from bottom of pan. Bring to a simmer, then reduce heat to medium and cook until thickened, ⏱️ 2 minutes . Turn off heat; stir in sour cream and butter until melted. Season with salt and pepper.

   beef demi-glace: 2 tbsp, water: ¼ cup, sour cream: 1 tbsp, butter: 2 tbsp
6. 

   6

   Divide Brussels sprouts, potatoes, and beef between plates. Top beef with sauce and serve.