Vegan mashed potatoes are a simple side made by mashing tender potatoes with plant milk, vegan butter, and seasoning instead of dairy. Yukon Gold potatoes give them a naturally buttery texture, while warming the milk and butter helps the mash stay smooth and fluffy.
Ingredients
- 2 lb Yukon Gold potatoes (900 g), scrubbed; peel them if you prefer a smoother mash
- 8 cups water (1.9 L), or enough to cover the potatoes in the pot
- 2 teaspoons fine salt (10 g), divided
- 1/2 cup unsweetened, unflavored oat milk (120 ml)
- 4 tablespoons vegan butter (56 g)
- 1/2 teaspoon freshly ground black pepper (about 1 g)
- 2 tablespoons finely sliced chives (6 g), optional, for serving
Instructions
- Cut the potatoes. Scrub the potatoes and peel them if you want a particularly smooth result. Cut them into evenly sized pieces about 1 1/2 inches (4 cm) across. Similar-sized pieces cook at the same rate, so you are less likely to end up with a mix of firm centers and waterlogged edges. Place them in a large pot and add the water and 1 1/2 teaspoons of the salt.
- Boil until completely tender. Set the pot over high heat and bring the water to a boil, then lower the heat enough to maintain a steady simmer. Cook for about 12–15 minutes, checking a piece with a fork after 12 minutes. The fork should slide into the center easily and the potato should break apart with gentle pressure. If the centers are still firm, continue cooking for a few minutes and check again; undercooked potatoes are difficult to mash smoothly.
- Warm the plant milk and butter. While the potatoes simmer, put the oat milk and vegan butter in a small saucepan over low heat. Stir just until the butter melts and the mixture is warm, not boiling. You can also warm them together in a microwave-safe jug in short bursts, stirring between each burst. Warm liquid blends into the potatoes more readily than cold liquid and helps keep the mash hot.
- Drain and let excess moisture escape. When the potatoes are tender, turn off the heat and drain them thoroughly in a colander. Return them to the hot pot and leave them uncovered for about 1–2 minutes, shaking the pot once or twice. This brief steam-dry step lets surface moisture evaporate, which helps avoid a loose, watery mash.
- Mash, then season. Mash the potatoes with a hand masher or potato ricer. Pour in most of the warm oat milk mixture and mash gently until combined, adding the rest a little at a time until the texture is as soft as you like. Stir in the black pepper and the remaining 1/2 teaspoon salt, then taste and adjust the seasoning. Stop as soon as the mash is smooth enough for you; prolonged beating can make potatoes gluey. Spoon into a warm serving bowl and scatter with chives, if using.
Tips
- Choose the texture you like. Yukon Golds make a creamy, fairly close-textured mash and need little or no peeling. Russet potatoes also work and tend to give a lighter, fluffier result, but they break down more readily and can absorb more liquid. If using russets, add the warm milk gradually and stop when the potatoes are moist and fluffy rather than continuing to pour.
- Check the plant milk label. Unsweetened, unflavored oat milk is a neutral option, but unsweetened soy milk or almond milk can also be used. Avoid vanilla or sweetened varieties, which can make a savory side taste unexpectedly sweet. Different brands vary in thickness, so hold back a little liquid until you see how the potatoes absorb it.
- Keep the mash gentle. A hand masher or ricer gives you control. A food processor or high-speed blender can release too much starch and turn the mixture stretchy or gluey. If you like a rustic texture, leave some small pieces rather than chasing a perfectly smooth finish.
- Season in stages. Salt in the boiling water seasons the potatoes as they cook, and a final taste lets you account for the saltiness of your vegan butter. If the mash tastes flat, add a small pinch of salt before adding more butter or milk. The quantities here use fine salt; coarse kosher salt measures differently by volume.
Serving Suggestions
Serve the potatoes hot as a side for lentil loaf, roasted vegetables, mushroom gravy, or a hearty bean stew. They also make a comfortable base for saucy dishes such as braised mushrooms or vegetable pot pie filling. A spoonful of gravy or pan sauce gives the mash extra flavor without changing the basic recipe.
For a simple plate, finish with a little extra vegan butter, black pepper, and the sliced chives. If the meal includes several rich or soft-textured dishes, add something crisp and bright alongside it, such as a green salad, steamed green beans, or roasted broccoli with lemon. For a casual gathering, keep the potatoes covered in a warm serving dish and put extra chives and gravy on the table so everyone can finish their portion to taste.
Variations
Garlic mash: Add 2–3 peeled garlic cloves (6–9 g) to the pot with the potatoes and cook them until tender. Drain and mash them together. This gives a mellow garlic flavor. For a more pronounced, sharper garlic note, stir in a small amount of finely grated fresh garlic after mashing instead.
Olive oil version: Replace the 4 tablespoons (56 g) of vegan butter with 3 tablespoons olive oil (45 ml). The potatoes will taste fruitier and less buttery, so try a mild olive oil if you want the potato flavor to stay in the foreground. Add it along with the warm plant milk.
Herb mash: Stir in 1 tablespoon chopped fresh parsley (about 4 g) or 1 teaspoon chopped fresh rosemary (about 1 g). Rosemary is strong, so use a light hand and chop it finely. Chives, parsley, and black pepper also make an easy fresh finish without changing the cooking method.
Extra-rich mash: Use 2/3 cup unsweetened oat milk (160 ml) and 5 tablespoons vegan butter (70 g), adding the milk gradually. This creates a softer, richer result. The amount of liquid potatoes need varies with their variety and how thoroughly they were drained, so you may not need every drop.
Storage and Reheating
Transfer leftover potatoes to a shallow, covered container and refrigerate them within 2 hours of cooking. They keep for 3–4 days in the refrigerator. If they have been sitting at room temperature longer than 2 hours, discard them rather than saving them. For longer storage, freeze portions in an airtight freezer-safe container for up to 1 month for best texture. Thaw frozen potatoes overnight in the refrigerator; they may be a little less fluffy after freezing.
Reheat only the portion you plan to serve. Warm it in a saucepan over low heat, stirring often and adding a splash of oat milk if it seems stiff, or microwave it in a covered microwave-safe bowl, stirring at intervals. Reheat leftovers to 165°F (74°C), checking the center with a food thermometer, as recommended for food safety. Avoid reheating the same batch repeatedly, since each cycle can make the texture drier or more uneven.
Frequently Asked Questions
Should I peel the potatoes?
It is optional. Yukon Gold skins are thin, so leaving them on gives the mash a rustic look and a little more texture. Peel them for a more uniform, smooth result, or peel only some of the potatoes for a middle ground. Scrub them well either way.
Can I make vegan mashed potatoes without vegan butter?
Yes. Replace the vegan butter with olive oil, using about 3 tablespoons (45 ml) for this recipe, or use a little more oat milk for a lighter mash. Butter alternatives vary in salt and flavor, so taste before adding the full amount of finishing salt. The result without butter will be less rich but still satisfying.
Why did my mashed potatoes turn gluey?
They were probably overworked, especially if they were beaten with a food processor, blender, or electric mixer. Mashing breaks open potato cells, and vigorous mixing can make the starch feel sticky. Use a hand masher or ricer, add warm liquid gradually, and stop as soon as the potatoes are combined.
Can I make these ahead?
For the freshest texture, serve them soon after mashing. If you need to get ahead, make them earlier the same day, cool and refrigerate them promptly, then reheat to 165°F (74°C) before serving, adding a splash of plant milk if needed. For food safety, do not leave the cooked potatoes at room temperature for more than 2 hours.
What if the mash is too thick or too loose?
If it is too thick, stir in warm oat milk a tablespoon (15 ml) at a time. If it is loose, give it a minute or two in the warm pot over very low heat, stirring gently so steam can escape; do not try to fix it by beating it hard. Next time, drain the potatoes thoroughly and add the liquid in stages.
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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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