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The Fluffiest Mashed Potatoes

This recipe for the fluffiest mashed potatoes creates a side dish that is truly sophisticated, offering a velvety texture and a subtle, aromatic depth. By using a combination of starchy russets and buttery Yukon Gold potatoes, you achieve a perfect balance of fluffiness and rich flavour. The addition of a herb-infused cream, warmed with black peppercorns and bay leaves, ensures every spoonful is seasoned from within without losing its pristine colour.

As a comforting vegetarian staple, this mash is the ideal accompaniment to a Sunday roast, a savoury pie, or a rich mushroom ragout. Using a food mill or ricer is the secret to achieving that professional, lump-free consistency that elevates an everyday vegetable into something extraordinary. It is a reliable, make-ahead dish that stays perfectly light and airy when kept warm over a gentle bain-marie.

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Ingredients for The Fluffiest Mashed Potatoes

  • 1.8kg russet potatoes

  • 450g Yukon Gold potatoes

  • 3 tablespoons kosher salt

  • 240ml whole milk

  • 120ml double cream

  • 8 whole black peppercorns

  • 3 sprigs thyme or 1 sprig rosemary

  • 2 bay leaves

  • 1/2 cup (1 stick) cubed, chilled unsalted butter

  • Freshly ground black pepper

Fill a large pot halfway with cold water. Peel 1.8kg russet and 450g Yukon Gold potatoes and cut into 2" pieces, adding to pot as they are cut. Add cold water to cover by 1" if needed. Stir in 3 tablespoons kosher salt. Bring to a boil, then reduce heat to medium-low and gently simmer until tender, 10-15 minutes. Drain potatoes and transfer to a baking sheet. Let dry, 5-10 minutes.

Meanwhile, heat 240ml whole milk, 120ml double cream, 8 whole black peppercorns, 3 sprigs thyme or 1 sprig rosemary, and 2 bay leaves in a small saucepan over medium heat, stirring occasionally, until mixture is very hot but not boiling, about 10 minutes. Remove from heat and let mixture infuse for 20 minutes; strain. This will add herbal flavour without coloring the liquid.

Pass potatoes through the smallest disk of a food mill along with 110g (1 stick) cubed, chilled unsalted butter into a large bowl. Stir in the hot cream mixture. Season generously to taste with kosher salt and freshly ground black pepper. To hold, press plastic wrap directly against the surface and set bowl over (not in) a large pot of simmering water for up to 2 hours.

Disclaimer

While every effort has been made to ensure the information is accurate and up to date, individual needs may vary and dietary requirements can differ based on personal health conditions. Always check food labels and allergen information before preparing or consuming any recipe. If you have specific health concerns, allergies, intolerances, or are following a medically prescribed diet, seek advice from your GP, pharmacist, or a registered dietitian before making significant changes to your diet or lifestyle.

Article history

The information on this page is peer reviewed by qualified clinicians.

  • 28 Jan 2026 | Originally published

    Authored by:

    UK recipe editors

    Peer reviewed by

    UK recipe editors
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