Quick Recipe Version (TL;DR)
Quick Ingredients
- 3 lb (1.36 kg) Yukon gold potatoes, peeled and cut into 1.5-inch chunks
- 6 tbsp (85 g) unsalted butter
- 1 cup (240 ml) whole milk, warmed
- 1 tbsp kosher salt (for the boiling water)
- 1 to 1.5 tsp kosher salt (to season the mash)
- 1/2 tsp freshly ground black pepper
- Optional garnish: extra butter, chopped chives
Do This
- 1. Place potatoes in a pot, cover with cold water by 1 inch; stir in 1 tbsp kosher salt.
- 2. Boil, then simmer until very tender, 15–18 minutes.
- 3. Meanwhile, warm 1 cup milk with 6 tbsp butter until melted and steamy (about 160°F/71°C); keep warm.
- 4. Drain potatoes well; return to hot pot and let steam off 1–2 minutes.
- 5. Rice or mash potatoes, then gradually mix in the warm milk-butter until smooth and fluffy.
- 6. Season with 1 to 1.5 tsp kosher salt and 1/2 tsp pepper; serve hot with a little extra butter.
Why You’ll Love This Recipe
- Classic comfort: silky, creamy Yukon golds with pure butter-and-milk goodness.
- Foolproof technique: warm dairy and steam-dried potatoes mean fluffy, not gluey.
- Simple pantry ingredients with restaurant-quality results.
- Flexible texture: ultra-smooth with a ricer or rustic with a hand masher.
Grocery List
- Produce: Yukon gold potatoes, optional fresh chives
- Dairy: Unsalted butter, whole milk
- Pantry: Kosher salt, black pepper
Full Ingredients
Potatoes
- 3 lb (1.36 kg) Yukon gold potatoes, peeled and cut into 1.5-inch chunks
- Cold water, enough to cover by 1 inch
- 1 tbsp kosher salt (for salting the cooking water)
Warm Milk & Butter
- 6 tbsp (85 g) unsalted butter
- 1 cup (240 ml) whole milk
To Season & Finish
- 1 to 1.5 tsp kosher salt, to taste
- 1/2 tsp freshly ground black pepper
- Optional: extra butter for serving; 1–2 tbsp finely snipped chives

Step-by-Step Instructions
Step 1: Prep the potatoes evenly
Peel the Yukon gold potatoes and cut them into even 1.5-inch chunks so they cook at the same rate. Place them in a large pot and cover with cold water by about 1 inch. Stir in 1 tablespoon kosher salt.
Step 2: Boil until very tender
Bring the pot to a boil over high heat, then reduce to a gentle simmer. Cook until the potatoes are fully tender when pierced with a fork, 15 to 18 minutes. They should break apart easily but not be waterlogged.
Step 3: Warm the milk and melt the butter
While the potatoes simmer, combine the butter and milk in a small saucepan over low heat. Warm until the butter is melted and the milk is steamy, about 160°F/71°C. Do not let it boil. Keep warm on the lowest setting.
Step 4: Drain and steam-dry
Drain the potatoes thoroughly in a colander. Return them to the hot, empty pot and set over low heat for 1 to 2 minutes, stirring occasionally, to let excess moisture evaporate. This step helps the mash turn out fluffy instead of gummy.
Step 5: Mash or rice for your preferred texture
For the smoothest mash, pass the potatoes through a ricer back into the warm pot. For a more rustic texture, use a hand masher. Work quickly while the potatoes are hot to keep them light.
Step 6: Whip in the warm dairy and season
Gradually pour in the warm milk-butter mixture, stirring gently with a wooden spoon or silicone spatula until the potatoes are creamy and fluffy. Start with about 3/4 cup and add more to reach your ideal consistency. Season with 1 to 1.5 teaspoons kosher salt and 1/2 teaspoon black pepper, tasting and adjusting as needed. Serve immediately, topped with a little extra butter and chives if you like.
Pro Tips
- Use warm dairy: Cold milk or butter can cool the potatoes and make them stiff. Warm to steamy, not boiling.
- Dry the potatoes: The steam-drying step is key to fluffy, not watery, mash.
- Choose your tool: A ricer yields ultra-smooth results; a hand masher preserves a bit of texture.
- Avoid overmixing: Stir gently and stop when creamy. Overworking releases starch and can turn the mash gluey.
- Salt in layers: Season the cooking water and the final mash for well-rounded flavor.
Variations
- Brown Butter: Brown the butter until nutty and golden, then stir into the mash with the warm milk.
- Garlic-Infused: Simmer 3 to 4 smashed garlic cloves in the milk, strain, and proceed for gentle garlic notes.
- Extra-Rich: Replace 1/4 cup of the milk with heavy cream or stir in 1/4 cup crème fraîche or sour cream.
Storage & Make-Ahead
Refrigerate leftovers in an airtight container for up to 4 days. Reheat gently on the stovetop over low heat or in the microwave, adding a splash of warm milk and a pat of butter to restore creaminess. For make-ahead, prepare up to 2 days in advance and reheat in a covered dish at 300°F/150°C for 20–30 minutes, stirring once or twice and adding a little warm milk as needed. Mashed potatoes can be held warm for up to 2 hours in a covered bowl set over a pot of barely simmering water or in a slow cooker on the “Warm” setting, stirring occasionally. Freezing is possible for up to 2 months, but texture is best fresh.
Nutrition (per serving)
Approximate: 300 calories; 13 g fat; 44 g carbohydrates; 6 g protein; 2 g fiber; 560 mg sodium.


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