How to make a Luxurious Truffle Oil Mashed Potatoes with Parmesan?

April 18, 2024

Who could resist the allure of a creamy, aromatic dish of mashed potatoes enhanced with the subtle flavour of truffle oil and a sprinkle of Parmesan? This rich, decandent side dish brings a touch of elegance to any meal, transforming a humble potato into a culinary masterpiece. The process is simple, yet the result is a side dish that is anything but ordinary. Let’s dive into the process of making this delicious dish.

Gather Your Ingredients

Before you begin, it’s essential to have all your ingredients ready. Make sure to source high-quality ingredients to ensure the best possible flavour for your dish. As the saying goes, the quality of your ingredients can make or break your dish.

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For this recipe, you will need:

  • 4 large potatoes
  • 4 tablespoons of unsalted butter
  • 1 cup of heavy cream
  • 2 teaspoons of salt
  • 2 tablespoons of truffle oil
  • 1 cup of grated Parmesan cheese
  • Milk, as needed

The star of this dish, the truffle oil, adds a unique, earthy flavor to the mashed potatoes. It’s an ingredient that can elevate any dish and is absolutely essential for this recipe.

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Preparing the Potatoes

Now, we move on to the preparation of the potatoes. The quality and treatment of the potatoes can significantly influence the end result of your dish.

Start by peeling the potatoes and cutting them into equal-sized pieces. This is important because smaller pieces will cook faster than larger ones, which can lead to unevenly cooked potatoes. Once your potatoes are cut, rinse them under cold water to remove any excess starch. This will help ensure a smoother, creamier mash.

Place your potatoes in a large pot and add enough water to cover them. Add the salt to the water and bring everything to a boil. Let the potatoes cook for about 20 minutes, or until they are fork-tender.

Creatng the Creamy Base

While your potatoes are cooking, it’s time to create the creamy base that will make your mashed potatoes incredibly smooth and rich.

In a small saucepan, heat the heavy cream and butter over medium heat until the butter is completely melted. Be sure to keep an eye on it and stir occasionally to prevent the cream from scorching. Once the butter is melted, remove the mixture from the heat.

Mashing and Adding Flavour

When your potatoes are cooked, drain them well and return them to the pot. Then, it’s time for the fun part – mashing!

Using a potato masher or a ricer, mash the potatoes until they are free of lumps. You want a smooth, creamy consistency for your dish. Now, gradually add the heavy cream and butter mixture to the mashed potatoes, stirring well to incorporate.

Once your potatoes are nice and creamy, drizzle the truffle oil over them and fold it into the mash. The heat of the potatoes will help release the truffle oil’s aroma, infusing the dish with its distinctive flavour.

Now, add the grated Parmesan cheese to your mashed potatoes and mix well. The Parmesan adds a delightful saltiness to the dish and pairs wonderfully with the truffle oil.

If you feel that the mashed potatoes are too thick, don’t hesitate to add a splash of milk to adjust the consistency. Remember, you’re aiming for a creamy, luxurious texture.

Final Touches

Now that your mashed potatoes are beautifully creamy and bursting with flavour, it’s time for the final touches.

Taste your mashed potatoes and adjust the seasoning if necessary. Remember, the cheese and truffle oil are salty, so be careful not to over-season.

For presentation, you could transfer the mashed potatoes to a serving bowl and make a well in the centre. Drizzle a little more truffle oil into the well and sprinkle some extra Parmesan cheese on top. This gives your guests a hint of the luxurious flavours waiting for them inside.

And there you have it, a side dish that’s sure to impress at your next dinner party or family gathering. The rich, earthy flavour of the truffle oil, the creaminess of the mash, and the salty bite of the Parmesan cheese make this dish a decadent treat. Even though this dish is simple to make, it’s a flavourful masterpiece that will have your guests asking for seconds.

Take the time to master this recipe and experiment with the amounts of truffle oil, cream, and Parmesan cheese to find the combination that suits your palate best. Remember, cooking is all about creativity and enjoying the process. Happy cooking!

Serving Suggestions and Variations

Now that you’ve mastered the art of making luxurious truffle oil mashed potatoes, consider some serving suggestions and variations to add diversity to your culinary repertoire.

This side dish is versatile and pairs well with a variety of main courses. You might consider serving it with a juicy grilled steak, or a succulent roast chicken. The richness of the truffle mashed potatoes can balance out the robust flavours of these proteins. Alternatively, try pairing it with a light, white fish or a serving of scallops. The delicate seafood flavours play beautifully against the earthy truffle and sharp Parmesan cheese.

For vegetarians, the mashed potatoes can be a hearty accompaniment to a colourful vegetable stir fry or a grilled Portobello mushroom.

Playing with variations can be another fun part of the cooking process. For instance, substituting the heavy cream with sour cream can give your mashed potatoes a pleasantly tangy note. You could also try replacing regular salt with truffle salt for an even more intense truffle flavour.

Some people prefer the skin-on texture of smashed potatoes rather than mashed. If you’re one of them, simply skip the peeling step and crush the boiled potatoes roughly with a fork for a rustic, homey version of this dish.

If you want to experiment with different types of potatoes, Yukon Gold potatoes are a great option. They have a buttery flavour and creamy texture that work well with the truffle oil and Parmesan cheese.

Finally, if you are vegan or lactose intolerant, you can substitute the butter and cream with olive oil and unsweetened almond milk. Use a vegan-friendly cheese or nutritional yeast instead of Parmesan.


Creating a luxurious truffle oil mashed potatoes with Parmesan is an easy way to elevate a simple side dish into a gourmet delight. The rich, earthy tones of the truffle oil combined with the creamy, cheesy goodness of the mashed potatoes create a heavenly combination that’s hard to resist.

Remember that while the process may take time, the result is undoubtedly worth the effort. Each step, from preparing the potatoes to adding the final touches, contributes to the overall success of the dish.

As you become more comfortable with the recipe, don’t be afraid to experiment with different variations. Whether you choose to add sour cream, truffle salt, or even turn your dish into a vegan-friendly version, the key is to enjoy the process and let your culinary creativity shine.

So whether it’s for a special occasion, or a regular weekday dinner, these truffle oil mashed potatoes are sure to become a favorite in your kitchen. Happy cooking, and enjoy your wonderfully creamy, flavourful mashed potatoes with truffle oil and Parmesan cheese!