Creamy Garlic Mashed Potatoes (Thanksgiving)
These creamy garlic mashed potatoes are the Thanksgiving side dish that quietly steals the show. Roasted garlic melts into buttery, fluffy potatoes, giving every spoonful a mellow, savory depth that raw garlic never could — no harsh bite, just warmth. Whipped with warm milk and plenty of butter, they turn out silky rather than gluey, and they hold beautifully while the turkey rests.
They are also one of the easiest dishes to make ahead. Mash them earlier in the day, keep them warm in a slow cooker or reheat gently with a splash of milk, and they taste freshly made when the gravy hits the table.
Prep time: 15 minutes Cook time: 50 minutes Servings: 8
What You’ll Need
- Large pot
- Colander
- Potato masher or ricer
- Large mixing bowl
- Baking sheet for roasting the garlic
- Aluminum foil
For bowls that make mashing and mixing easy, see our best mixing bowls guide.
Ingredients
- 3 pounds Yukon Gold potatoes, peeled and cut into 1-inch chunks
- 1 whole head of garlic
- 1 tablespoon olive oil
- 1/2 cup (1 stick) unsalted butter, plus more for serving
- 3/4 to 1 cup whole milk or half-and-half, warmed
- 1 teaspoon fine sea salt, plus more to taste
- 1/2 teaspoon freshly ground black pepper
- 2 tablespoons chopped fresh chives or parsley, for garnish (optional)
- Flaky sea salt, for serving (optional)
Instructions
- Roast the garlic. Preheat the oven to 400°F (200°C). Slice the top quarter off the head of garlic to expose the cloves, drizzle with olive oil, and wrap tightly in foil. Roast for 35–40 minutes until the cloves are soft, caramelized, and sweet-smelling. Let cool slightly, then squeeze the soft cloves out of their skins and mash into a paste.
- Boil the potatoes. Place the potato chunks in a large pot, cover with cold salted water by about an inch, and bring to a boil. Cook for 15–18 minutes, until completely tender when pierced with a fork. Drain thoroughly and return the potatoes to the hot pot for a minute to steam off excess moisture.
- Warm the dairy. While the potatoes cook, melt the butter in a small saucepan over low heat and stir in the warm milk. Keeping the dairy warm is the secret to fluffy, not gummy, mashed potatoes — cold milk cools the potatoes and makes them seize up.
- Mash with the roasted garlic. Mash the potatoes with a potato masher or ricer until mostly smooth, then stir in the roasted garlic paste. Pour in the warm butter-milk mixture a little at a time, stirring gently, until the potatoes reach a creamy, spoonable consistency. You may not need all of the milk.
- Season and taste. Season with salt and pepper, then taste and adjust — potatoes need more salt than you think, and this is the moment to get it right. Stir in half the chives if using.
- Serve warm. Transfer to a warm serving bowl, top with a pat of butter, and scatter over the remaining chives and a pinch of flaky salt. Serve immediately, or keep warm (see tip below).
Tips for the Best Creamy Garlic Mashed Potatoes
- Use Yukon Golds, not russets, for creaminess. Yukon Golds have a naturally buttery texture and mash up silky with less effort, while russets can turn gluey if overworked. Whatever variety you choose, mash gently — overbeating is what makes mashed potatoes gummy.
- Roast the garlic ahead. The garlic can be roasted up to three days in advance and refrigerated. Bring it to room temperature before mashing in so it blends smoothly.
- Keep them warm without drying out. Transfer finished mashed potatoes to a slow cooker on the warm setting with a pat of butter on top, or cover the bowl tightly with foil and hold in a 200°F (95°C) oven for up to an hour. Stir in a splash of warm milk before serving to loosen them back up.
Buttery, garlicky, and impossibly creamy — these are the mashed potatoes your Thanksgiving table will ask for again next year.
