Pommes Purée
Prep time: 20 minutes
Cook time: 25 minutes
Total time: ~45 minutes
Servings: 6 servings
Country of Origin
France (Paris)
Description
Made famous by Chef Joël Robuchon, this legendary side dish elevates the humble mashed potato into a silk-like, ultra-decadent culinary art form. By using a high-starch potato, passing them through a fine food mill or ricer, and whipping them with an incredibly high ratio of cold butter (up to a 1:2 butter-to-potato ratio) and warm milk, you achieve a glossy, velvety texture that flows beautifully across the plate.
Presentation & How It's Eaten
Serve warm in a shallow dish, smoothed over with the back of a spoon to create elegant swoops. Drizzle with a touch of melted butter or meat jus, and finish with a sprinkle of finely minced chives. It is the ultimate accompaniment to roasted chicken, beef tenderloin, or rich stews.
Ingredients
1 kg (2.2 lbs) Yukon Gold potatoes (uniform in size)
500g (4 sticks / 2 cups) high-quality unsalted butter, cold and cut into 1/2-inch cubes
250 ml (1 cup) whole milk
Salt to taste (both for the boiling water and final seasoning)
Step-by-Step Directions
Boil the Potatoes Whole: Wash the potatoes thoroughly but leave the skins on. Place them in a large pot, cover with cold water, and add a generous handful of salt (about 1 tablespoon per liter). Bring to a boil and simmer gently for 25 to 30 minutes, until a knife easily slides into the center without resistance.
Peel While Hot: Drain the potatoes immediately. While still hot, hold them with a clean kitchen towel and peel away the skins using a small paring knife.
Pass Through a Potato Ricer: Pass the hot, peeled potatoes through a fine potato ricer or food mill back into the warm, dry pot. Do not use a food processor, as this will release too much starch and make the purée gluey.
Dry the Mash: Place the pot of riced potatoes over medium-low heat for 3 to 4 minutes, stirring constantly with a wooden spatula to cook off any remaining moisture. The potatoes should look dry and slightly fluffy.
Incorporate the Cold Butter: Turn the heat down to low. Gradually add the cold, cubed butter a few pieces at a time, whipping vigorously with a wire whisk. The butter must be cold to emulsify correctly with the warm potato starch rather than melting into oil.
Stream in the Warm Milk: In a separate small saucepan, heat the whole milk until hot but not boiling. Slowly stream the warm milk into the potato-butter mixture while whisking constantly until the purée is light, airy, and silky smooth. Taste and season with fine sea salt.
The Ultimate Sieve Pass (The Secret): For the true restaurant finish, push the warm purée through a fine-mesh drum sieve (tamis) using a plastic pastry scraper. This removes any remaining tiny lumps, leaving you with a perfectly uniform, ribbon-like texture.
Optional
Garlic Infusion: Simmer a few crushed garlic cloves in the milk before straining it into the potatoes for a subtle garlic flavor.
White Pepper: Add a tiny pinch of finely ground white pepper if you want a touch of spice without leaving black specks in the pristine white purée.
Cooking Tips
Keep Skins On to Boil: Boiling the potatoes in their skins prevents them from absorbing excess water, which would otherwise dilute the flavor and prevent the starch from bonding with the butter.
Cold Butter, Hot Potatoes: The contrast of icy cold butter whisked into hot potatoes is the key thermodynamic secret to creating a stable emulsion that doesn't split.
Nutrition Facts
(Estimated per serving)
Calories: ~710 kcal
Total Fat: 68g
Saturated Fat: 43g
Cholesterol: 180mg
Sodium: ~310mg
Total Carbohydrates: 24g
Dietary Fiber: 3g
Sugars: ~2g
Protein: 4g
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