Sirloin Steak "Diane" with Dijon-Mushroom Sauce

🥘 Ingredients

• beef demi-glace
  2 unit
• black
• black pepper
  1 tsp
• butter
  1 tbsp
• button
• button mushrooms
  8 oz
• carrot
  24 oz
• cooking oil
  2 tbsp
• dijon mustard
  4 tsp
• garlic
  2 clove
• onion
  1 unit
• paper towels
• potatoes
  2 lb
• salt
  1 tsp
• sirloin steak
  24 oz
• sour cream
  3 tbsp
• sugar
  1 tsp
• water
  ¼ cup

🍳 Cookware

• baking
• medium
• large pan

1. 

   1

   Adjust rack to top position and preheat oven to 425 degrees. Wash and dry produce. Trim, peel, and cut carrot on a diagonal into 1-inch-thick pieces. Peel and dice potatoes into ½-inch pieces. (TIP: For speedier spud prep, skip the peeling.) Halve, peel, and thinly slice onion . Trim and thinly slice button mushrooms . Peel and mince garlic .

   carrot: 24 oz, potatoes: 2 lb, onion: 1 unit, button mushrooms: 8 oz, garlic: 2 clove
2. 

   2

   Toss carrot on a baking sheet with a large drizzle of cooking oil , salt , and black pepper . Roast on top rack until browned and tender, ⏱️ 25 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 minutes . Drain and return potatoes to pot. Mash potatoes with sour cream until smooth. Season with salt and black pepper. Keep covered off heat until ready to serve.

   carrot, cooking oil: 2 tbsp, salt: 1 tsp, black pepper: 1 tsp, potatoes, water, sour cream: 3 tbsp, salt, black
3. 

   3

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

   onion, sugar: 1 tsp, water, salt, black
4. 

   4

   Pat sirloin steak dry with paper towels ; season with salt and black pepper. Heat a large drizzle of oil in same pan over medium-high heat. Add steak and cook to desired doneness, ⏱️ 5 minutes per side. Transfer to a cutting board to rest.

   sirloin steak: 24 oz, paper towels, salt, black
5. 

   5

   Add butter (2 TBSP butter for 4 servings) and button mushrooms to same pan over medium-high heat. Cook, stirring, until browned and softened, ⏱️ 3 minutes . Add garlic and cook, stirring, until fragrant, ⏱️ 30 seconds . Stir in beef demi-glace and water . Bring to a boil, then reduce to a simmer. Stir in dijon mustard . Simmer until thickened, ⏱️ 2 minutes . Season with salt and pepper.

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

   6

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

   potatoes, carrot