Turnip Gratin
Peer reviewed by UK recipe editorsAuthored by UK recipe editorsOriginally published 17 Jan 2026
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This elegant turnip gratin is a wonderful way to celebrate a humble root vegetable, transforming it into a luxurious vegetarian side dish. By slicing the turnips paper-thin and layering them with aromatic thyme and savoury, you create a beautiful texture that rivals the classic potato Dauphinoise. The addition of a little cayenne pepper provides a subtle warmth that cuts through the richness of the double cream and salty Parmigiano-Reggiano.
Ideal for a Sunday roast or a festive dinner party, this dish provides a sophisticated alternative to traditional starchy sides. Because the turnips are left unpeeled, the recipe is quick to prepare and retains a lovely rustic character. Serve it alongside roasted meats or as a comforting main course with a crisp, bitter leaf salad to balance the creamy flavours.
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Ingredients for Turnip Gratin
2 tablespoons unsalted butter
1.1kg medium turnips, trimmed and left unpeeled
1 tablespoon chopped thyme
1/2 tablespoons chopped savory
1 1/2 teaspoons kosher salt
Rounded 1/8 teaspoons cayenne
240ml double cream
240ml grated Parmigiano-Reggiano (use a Microplane)
Equipment: an adjustable-blade slicer
How to make Turnip Gratin
Preheat oven to 232°C with rack in middle.
Melt butter in an ovenproof 12-inch heavy skillet, then cool.
Slice turnips paper-thin with slicer, then arrange one third of slices, overlapping tightly, in skillet, keeping remaining slices covered with dampened paper towels. Sprinkle with about a third of thyme, savory, kosher salt, and cayenne. Make 2 more layers.
Cook, covered, over medium heat until underside is browned, about 10 minutes. Add cream and cook, covered, until centre is tender, 20 to 25 minutes.
Sprinkle evenly with cheese, then bake, uncovered, until golden and bubbling, 10 to 15 minutes. Let stand 5 minutes before serving.
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.
17 Jan 2026 | Originally published
Authored by:
UK recipe editors
Peer reviewed by
UK recipe editors

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