Mashed swede, also known as mashed rutabaga or yellow turnip, is a comforting British and Irish side dish made from cooked swede root vegetables mashed with butter and cream. It has a naturally sweet, earthy flavor and a vibrant golden color that pairs beautifully with roasts, sausages, and holiday feasts. This recipe delivers a silky-smooth, rich mash every time, using a simple technique that avoids the watery, stringy texture that often plagues this humble vegetable.
Ingredients
- 2 lb (900 g) swede (rutabaga), peeled and cut into 1-inch (2.5 cm) cubes
- 4 cups (1 L) water, or enough to cover
- 1 tsp salt, plus more to taste
- 4 tbsp (55 g) unsalted butter, softened
- 1/4 cup (60 ml) heavy cream, plus more if needed
- 1/4 tsp freshly grated nutmeg (optional)
- Freshly ground black pepper, to taste
- Fresh chives or parsley, chopped, for garnish (optional)
Instructions
- Peel the swede thoroughly with a sharp knife or vegetable peeler, removing all the waxy skin and any dark spots. Cut it into uniform 1-inch (2.5 cm) cubes—this ensures even cooking.
- Place the cubes in a large pot and add the water and 1 tsp salt. The water should cover the swede by about an inch; add more if needed. Bring to a boil over high heat, then reduce to a simmer. Cook for 20–25 minutes, or until the cubes are very tender when pierced with a fork—they should offer no resistance.
- Drain the swede thoroughly in a colander. Return the cubes to the hot pot and let them sit for 2–3 minutes, shaking occasionally, to steam off excess moisture. This step is key to a non-watery mash.
- Add the butter and cream to the pot. Using a potato masher, mash until smooth and creamy. For an extra-smooth texture, use a food mill or ricer, but avoid a blender or food processor, which can make the mash gluey.
- Stir in the nutmeg (if using), and season generously with salt and pepper. Taste and adjust—swede can take more salt than you might expect. If the mash seems too thick, add a splash more warm cream or milk.
- Transfer to a serving bowl, garnish with fresh herbs if desired, and serve hot.
Tips
- Peeling trick: Swede has a thick, waxy skin. Cut it into quarters first, then slice off the skin with a sharp knife—this is easier and safer than trying to peel a whole round root.
- Don’t overcook: Cook until just fork-tender, not falling apart. Overcooking can make the mash watery and bland.
- Dry it well: After draining, let the cubes steam in the hot pot for a few minutes. This removes excess water that would dilute the butter and cream.
- Make ahead: You can mash the swede a day ahead, but under-season it slightly. Reheat gently with an extra splash of cream or milk.
Serving Suggestions
Mashed swede is a classic companion to roast beef, roast chicken, or lamb. It also shines alongside sausages and onion gravy, or as part of a traditional Sunday roast. For a vegetarian main, serve it with a mushroom wellington or nut roast. A dollop of butter melting on top just before serving adds a luxurious finish.
Variations
- Swede and carrot mash: Replace half the swede with carrots for a sweeter, brighter orange mash—a classic Scottish combination.
- Garlic-herb mash: Sauté 2 minced garlic cloves in the butter before adding to the mash, and stir in 1 tbsp chopped fresh thyme or rosemary.
- Vegan version: Use olive oil or vegan butter and unsweetened oat or soy milk instead of cream. The mash will be slightly less rich but still delicious.
- Spiced mash: Add 1/2 tsp ground cumin or a pinch of cayenne along with the nutmeg for a warm, aromatic twist.
Storage and Reheating
Store leftover mashed swede in an airtight container in the refrigerator for up to 4 days. Reheat gently on the stovetop over low heat, stirring often, with a splash of milk or cream to restore creaminess. You can also reheat in the microwave in 1-minute intervals, stirring between each. For longer storage, freeze the mash in a freezer-safe container for up to 3 months; thaw overnight in the fridge before reheating.
Frequently Asked Questions
What is swede called in the US? In the United States, swede is commonly called rutabaga. In Scotland it’s often called neep, and in some parts of England it’s known as turnip (though true turnips are a different vegetable).
Can I use milk instead of cream? Yes, whole milk or even half-and-half will work. The mash will be slightly less rich and creamy, but still smooth. Add a little extra butter to compensate.
Why is my mashed swede watery? This usually happens when the cooked swede isn’t drained well or is cooked too long. Make sure to drain thoroughly and let the cubes steam for a few minutes before mashing. Also, avoid adding too much liquid at once—start with less and add more as needed.
Can I mash swede in a food processor? It’s not recommended—the high speed can turn the starches gluey and make the texture unpleasantly pasty. A potato masher, ricer, or food mill gives the best fluffy, smooth result.
Do I need to peel swede? Yes, the skin is tough and waxy, not pleasant to eat. Always peel it thoroughly before cooking.
Can I boil swede with potatoes? Absolutely. Mixing mashed swede with mashed potatoes (often called “clapshot” in Scotland) is a delicious way to soften the swede’s strong flavor. Boil them together and mash with butter and cream.
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Safety notes: safe minimum internal temperatures from USDA FSIS; raw and undercooked fish guidance from the U.S. FDA. Food safety notes
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