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Celery Root and Potato Mash

Peer reviewed by UK recipe editorsAuthored by UK recipe editorsOriginally published 28 Jan 2026

Meets Patient’s editorial guidelines

This creamy celeriac and potato mash is a sophisticated twist on a classic British side dish. By blending earthy, nutty root vegetables with traditional fluffy potatoes, you create a mash that is far more fragrant and complex than the standard version. It provides a wonderful seasonal alternative for autumn and winter dining, offering a silky texture that pairs beautifully with rich gravies and roasted meats.

As a versatile vegetarian accompaniment, this recipe is perfect for those looking to add more variety to their vegetable intake without sacrificing comfort. The addition of fresh celery leaves provides a vibrant pop of colour and a delicate herbal note that cuts through the buttery richness. Serve it alongside a Sunday roast or use it to top a savoury shepherd's pie for an elevated homemade meal.

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Ingredients for Celery Root and Potato Mash

  • 450g celery root (celeriac), peeled, cut into 1/2-inch pieces (about 600g )

  • 1.1kg russet potatoes, peeled, cut into 1-inch pieces (about 1475g )

  • 60g (1/2 stick) unsalted butter, cut into pieces

  • 1/2 cup (or more) whole milk

  • 1/4 cup chopped celery leaves

How to make Celery Root and Potato Mash

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Cook celery root in large pot of boiling salted water 5 minutes. Add potatoes to pot; cook until all vegetables are tender, about 20 minutes. Drain. Return vegetables to pot; stir over medium-high heat until dry, 1 to 2 minutes. Remove from heat; add butter. Using potato masher, mash vegetables until butter is incorporated. Add 120ml milk; mash until almost smooth, adding more milk as needed. Stir in celery leaves. Season with salt and pepper.

The lemony pork is great with Pinot Grigio, a white that's also known for its lemony notes. One to try: CUPCAKE VINEYARDS 2009 PINOT GRIGIO (Trentino doc, $14), a charmingly bright wine with citrus, pear, and pineapple flavours.

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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