Sirloin in a Mushroom Sauce

🥘 Ingredients

• Dijon mustard
  4 tsp
• Yukon Gold potatoes
  2 lb
• beef demi-glace
  2 unit
• butter
  1 tbsp
• button mushrooms
  8 oz
• carrots
  24 oz
• cooking oil
  2 tbsp
• garlic
  2 clove
• pepper
• salt
• sirloin steak
  28 oz
• sour cream
  4 tbsp
• sugar
  1 tsp
• water
  ¼ cup
• yellow onion
  1

🍳 Cookware

• baking sheet
• medium pot
• large pan
• small bowl
• paper towel

1. 

   1

   Adjust rack to top position and preheat oven to 425 degrees. Wash and dry produce. Trim, peel, and cut carrots on a diagonal into 1-inch-thick pieces. Peel and dice Yukon Gold potatoes into 1/2-inch pieces. (TIP: For speedier spud prep, skip the peeling.) Halve, peel, and thinly slice yellow onion . Trim and thinly slice button mushrooms . Peel and mince garlic .

   carrots: 24 oz, Yukon Gold potatoes: 2 lb, yellow onion: 1, button mushrooms: 8 oz, garlic: 2 clove
2. 

   2

   Toss carrots on a baking sheet with a large drizzle of cooking oil , salt , and pepper . Roast on top rack until browned and tender, ⏱️ 25-30 minutes . Meanwhile, place potatoes in a medium pot with enough salted water to cover by 2 inches. Bring to a boil; cook until tender, ⏱️ 15-20 minutes . Drain and return potatoes to pot. Mash with sour cream until smooth. Season with salt and pepper. Keep covered off heat until ready to serve.

   cooking oil: 2 tbsp, salt, pepper, sour cream: 4 tbsp
3. 

   3

   While potatoes cook, heat a large drizzle of oil in a large pan over medium-high heat. Add onion; cook, stirring occasionally, until browned and softened, ⏱️ 8-10 minutes . Add sugar and a splash of water; cook until caramelized, ⏱️ 2-3 minutes more. Season with salt and pepper. Turn off heat; transfer to a small bowl . Wipe out pan.

   sugar: 1 tsp
4. 

   4

   Pat sirloin steak dry with paper towel ; season all over with salt and pepper. Heat a large drizzle of oil in pan used for onion over medium-high heat. Add steak and cook to desired doneness, ⏱️ 3-6 minutes per side. Transfer to a cutting board to rest.

   sirloin steak: 28 oz
5. 

   5

   Add butter and mushrooms to pan used for steak over medium-high heat. Cook, stirring, until softened, ⏱️ 3-5 minutes . Add garlic; cook until fragrant, ⏱️ 30 seconds . Stir in beef demi-glace and water (1/3 cup for 4 servings). Bring to a boil, then reduce to a low simmer. Stir in Dijon mustard . Simmer until thickened, ⏱️ 2-3 minutes . Season with salt and pepper.

   butter: 1 tbsp, beef demi-glace: 2 unit, water: ¼ cup, Dijon mustard: 4 tsp
6. 

   6

   Slice steak against the grain. Divide mashed potatoes, carrots, and steak between plates. Top mashed potatoes with caramelized onion. Top steak with mushroom sauce and serve.