If you are using a screen reader and are having problems using this website, please call 1-646-846-3663 for assistance.
New York Strip Steak with Truffle Butter

New York Strip Steak with Truffle Butter

over Mashed Potatoes and Roasted Asparagus

Rated 3.2 / 4
Rate this recipe
Download the recipe
Read more

Ever tried truffle butter? It’s the stuff gourmet dreams are made of. Which means that this recipe is nothing short of a holy grail for any sophisticated foodie, because it’s also got a beautiful and tender New York strip steak for you to dollop all of that deliciousness on. Even the creamy potatoes, roasted asparagus, and demi-glace pan sauce that come with it seem to elevate things with their richness.


Produced in a facility that processes milk, eggs, fish, shellfish, tree nuts, peanuts, wheat, and soybean.

Preparation Time40 minutes
Cooking difficultyLevel 1
serving amount
serving amount

1 unit


8 ounce


16 ounce

Yukon Gold Potatoes

¼ ounce


6.75 ounce



¼ ounce


0.07 ounce

Truffle Zest

12 ounce

New York Strip Steak

1 unit

Beef Demi-Glace


Not included in your delivery

1 tablespoon

Vegetable Oil

3 tablespoon




Black Pepper

Nutrition Values/ per serving
Nutrition Values
/ per serving
Energy (kJ)3431 kJ
Calories820 kcal
Fat47 g
Saturated Fat21 g
Carbohydrate60 g
Sugar14 g
Dietary Fiber9 g
Protein44 g
Cholesterol155 mg
Sodium640 mg
Due to the different suppliers we purchase our products from, nutritional facts per meal can vary from the website to what is received in the delivered box, depending on your region.
Medium Pot
Potato Masher
Small pot
Medium Pan
Small Bowl
Baking Sheet
Paper Towel
Preheat and Prep
Preheat and Prep

Wash and dry all produce. Adjust rack to upper position and preheat oven to 425 degrees. Halve and peel shallot, then mince until you have 2 TBSP. Trim woody bottom ends from asparagus. Cut potatoes into ½-inch cubes. Pick parsley leaves from stems; discard stems. Finely chop leaves. Place 2 TBSP butter in a small bowl and set aside.

Cook Potatoes
Cook Potatoes

Place potatoes in a medium pot with enough salted water to cover by 1-inch. Bring to a boil and cook until tender, about 12 minutes. Meanwhile, place milk and 1 thyme sprig in a small pot. Bring to a simmer, then remove from heat. Once potatoes are cooked, drain thoroughly and return to pot. Mash in pot with a potato masher until smooth.

Make Truffle Butter
Make Truffle Butter

Melt another 1 TBSP butter in a medium pan over medium heat. Add half the minced shallot. Cook, tossing, until just softened, 1-2 minutes. Pour shallot and melted butter into small bowl with reserved room temperature butter. Add truffle zest and a pinch of parsley. Mash together with a fork. Set aside in freezer to chill for 10 minutes.

Cook Steak and Asparagus
Cook Steak and Asparagus

Heat a drizzle of oil in pan used for shallot over medium-high heat. Pat steak dry with a paper towel. Season with salt and pepper. Add to pan and cook to desired doneness, 3-6 minutes per side. Remove from pan and set aside to rest. Meanwhile, toss asparagus with a drizzle of oil on a baking sheet. Season with salt and pepper. Roast in oven until just tender, about 7 minutes.

Make Sauce
Make Sauce

Wipe out pan after removing steak, then reduce heat under pan to low and heat another drizzle of oil in it. Add remaining shallot. Cook, tossing, until starting to soften, 1-2 minutes. Stir in demi-glace and 3 TBSP water. Let simmer until slightly thickened, about 2 minutes. Season with salt and pepper. Meanwhile, slice steak against the grain. Discard thyme sprig from pot with milk.

Finish and Plate
Finish and Plate

Stir enough milk into potatoes to create a creamy consistency (start with ¼ cup and add more from there). Season with salt and pepper. Divide between plates along with asparagus. Arrange steak on top of potatoes. Spoon sauce over steak, then dollop with truffle butter. Garnish with remaining parsley.