Sirloin in a Mushroom Sauce

🥘 Ingredients

• beef demi-glace
  2 unit
• black pepper
  2 tsp
• butter
  6 tbsp
• button mushrooms
  16 oz
• carrots
  4 unit
• cooking oil
  6 tbsp
• dijon mustard
  2 tsp
• garlic
  4 cloves
• salt
  2 tsp
• sirloin steak
  28 oz
• sour cream
  4 tbsp
• sugar
  2 tsp
• water
  2 tbsp, ½ cup, ½ cup
• yellow onion
  2 unit
• yukon gold potatoes
  24 oz

🍳 Cookware

• baking sheet
• medium pot
• large pan
• small bowl
• cutting board

1. 

   1

   yellow onion garlic carrots button mushrooms yukon gold potatoes sour cream sirloin steak beef demi-glace dijon mustard cooking oil butter sugar salt black pepper water

   yellow onion: 1 unit, garlic: 2 cloves, carrots: 2 unit, button mushrooms: 8 oz, yukon gold potatoes: 12 oz, sour cream: 2 tbsp, sirloin steak: 14 oz, beef demi-glace: 1 unit, dijon mustard: 1 tsp, cooking oil: 3 tbsp, butter: 3 tbsp, sugar: 1 tsp, salt: 1 tsp, black pepper: 1 tsp, water: ½ cup
2. 

   2

   Preheat oven to 425°F. Wash and dry produce. Trim, peel, and cut carrots diagonally into 1-inch pieces. Peel and dice yukon gold potatoes into ½-inch pieces. Halve, peel, and thinly slice yellow onion . Trim and thinly slice button mushrooms . Peel and mince garlic .

   carrots: 2 unit, yukon gold potatoes: 12 oz, yellow onion: 1 unit, button mushrooms: 8 oz, garlic: 2 cloves
3. 

   3

   Toss carrots 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 with sour cream until smooth. Season with salt and pepper. Keep covered off heat until ready to serve.

   cooking oil: 3 tbsp, salt: 1 tsp, black pepper: 1 tsp, sour cream: 2 tbsp
4. 

   4

   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 minutes . Add 1 tsp sugar and a splash of water ; cook until caramelized ⏱️ 2 minutes more. Season with salt and pepper. Turn off heat; transfer to a small bowl . Wipe out pan.

   sugar: 1 tsp, water: 2 tbsp
5. 

   5

   Pat sirloin steak dry with paper towels; season all over with salt and pepper. Heat a large drizzle of oil in the same pan over medium-high heat. Add steak and cook to desired doneness, 3-6 minutes per side ⏱️ 4 minutes per side. Transfer to a cutting board to rest.

   sirloin steak: 14 oz
6. 

   6

   Add 1 TBSP butter and mushrooms to pan used for steak over medium-high heat. Cook, stirring, until softened ⏱️ 3 minutes . Add garlic; cook until fragrant ⏱️ 30 seconds . Stir in beef demi-glace and ¼ cup water . Bring to a boil, then reduce to a low simmer. Stir in dijon mustard . Simmer until thickened ⏱️ 2 minutes . Season with salt and pepper.

   butter: 3 tbsp, beef demi-glace: 1 unit, water: ½ cup, dijon mustard: 1 tsp
7. 7

   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.