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Creamy Peppercorn Steak with Mashed Potatoes
Some dinners just feel like a deep breath at the end of a long day, and this creamy peppercorn steak is one of them. It has that cozy steakhouse feeling, but you can make it right at home in about half an hour.
The steak is seared until beautifully browned, then sliced and tucked into a rich peppercorn cream sauce with garlic, shallot, and a little Dijon for warmth. Add a scoop of soft mashed potatoes on the side, and you have the kind of meal that feels comforting, generous, and just a little special.

Ingredients
- 1 pound beef tenderloin or sirloin steak
- 1 tablespoon olive oil
- 2 tablespoons butter
- 3 cloves garlic, minced
- 1 small shallot, finely chopped
- 1 cup heavy cream
- 1/2 cup beef broth
- 1 tablespoon Dijon mustard
- 1 tablespoon crushed black peppercorns
- Salt, to taste
- 2 cups mashed potatoes
- Fresh parsley, chopped, for garnish
Instructions
Start by patting the steak dry with paper towels. This helps it sear instead of steam.
Season it generously with salt and crushed black peppercorns. Press the pepper lightly into the meat so it sticks.
Heat the olive oil in a skillet over medium-high heat. Once the pan is hot, add the steak.
Sear for 3 to 4 minutes per side, depending on how you like it cooked. When it is done, transfer it to a plate and let it rest for 5 minutes.
In the same skillet, melt the butter. Add the chopped shallot and minced garlic.
Cook for 1 to 2 minutes, stirring often, until everything smells warm and fragrant.
Pour in the beef broth, heavy cream, and Dijon mustard. Stir well, scraping up any browned bits from the bottom of the pan.
Let the sauce simmer for 4 to 5 minutes, until it thickens into a creamy, peppery sauce.
Slice the rested steak into thick pieces.
Spoon the peppercorn cream sauce onto a plate. Arrange the steak slices on top, then serve with fluffy mashed potatoes on the side.
Finish with a sprinkle of fresh parsley.
Presentation
For a beautiful plate, add a generous scoop of mashed potatoes first, then make a little well in the center for extra sauce. Fan the steak slices beside the potatoes and spoon the creamy peppercorn sauce over the top.
A final touch of parsley adds freshness, while a few extra crushed peppercorns make it look rustic and inviting. Serve it warm, with the sauce glossy and the potatoes soft enough to catch every drop.
Nutritional Information:
- ⏰ Prep Time: 10 minutes | Cooking Time: 20 minutes | Total Time: 30 minutes
- 🔥 Kcal: 620 kcal per serving | 🍽️ Servings: 2 servings
Conclusion
This creamy peppercorn steak is rich, cozy, and wonderfully satisfying. It has bold flavor from the peppercorns, smooth comfort from the sauce, and that classic pairing of steak and mashed potatoes that never really goes out of style.
It’s perfect for a quiet date night, a weekend dinner, or any evening when you want a meal that feels both easy and special.



