Mashed potatoes are a timeless comfort food, loved for their creamy texture and buttery flavor. This recipe is scaled to serve 50 people, making it perfect for large gatherings, events, or holiday meals where you want a crowd-pleasing side dish that’s easy to prepare in bulk.
Ingredients
- 25 pounds of Russet potatoes (about 50 medium potatoes)
- 2 1/2 cups (5 sticks) unsalted butter, cut into pieces
- 8 cups whole milk, warmed
- 4 cups sour cream (optional for extra creaminess)
- 4 tablespoons kosher salt (for boiling water)
- 2 teaspoons freshly ground black pepper
- 4 teaspoons garlic powder or 8 cloves fresh garlic, minced (optional)
- Fresh chopped parsley for garnish (optional)
Instructions
- Prep the potatoes: Peel the potatoes and cut them into uniform chunks about 2 inches in size. This ensures even cooking.
- Boil the potatoes: Fill a very large stockpot or divide into two pots if needed. Add enough cold water to cover the potatoes by at least 2 inches. Add 2 tablespoons kosher salt per pot. Bring to a boil over high heat, then reduce to a simmer and cook for 20-25 minutes, or until the potatoes are fork-tender.
- Drain and dry: Drain the potatoes thoroughly in a large colander. Return them to the hot pot over low heat for 2-3 minutes, stirring gently to evaporate excess moisture. This step helps make the potatoes fluffier.
- Mash the potatoes: Use a potato masher, ricer, or food mill to mash the potatoes until smooth and lump-free. Avoid using a blender or food processor, which can make them gluey.
- Add butter and dairy: Gradually add the butter pieces, stirring gently until melted and incorporated. Slowly pour in the warmed milk, mixing until creamy. If using sour cream, fold it in last for extra richness.
- Season: Stir in black pepper and garlic powder or fresh garlic if desired. Taste and adjust salt if needed.
- Keep warm: Transfer mashed potatoes to large serving trays or hotel pans. Cover with foil and keep warm in a low oven (around 200°F/95°C) for up to 1 hour before serving. Stir occasionally to prevent a skin from forming.
Tips
- Potato choice matters: Russet potatoes are best for fluffy, creamy mashed potatoes due to their high starch content. Yukon Golds can be used for a slightly buttery flavor and a denser texture.
- Substitutions: For dairy-free versions, substitute butter with olive oil or a plant-based spread and use warm almond or oat milk instead of cow’s milk. Coconut milk is not recommended as it alters flavor significantly.
- Don’t overmix: Overworking mashed potatoes can release excess starch, making them gluey. Mash just until smooth.
- Storage: Leftover mashed potatoes can be refrigerated in airtight containers for up to 3 days. Reheat gently with additional milk or butter to restore creaminess.
Serving Suggestions
Mashed potatoes are a versatile side dish that pairs beautifully with roasted meats like turkey, beef, or chicken. They also complement vegetarian mains such as mushroom gravy, lentil loaf, or roasted vegetable medleys. For a festive touch, garnish with fresh chopped parsley or chives. Serve alongside steamed green beans, glazed carrots, or a crisp salad for a balanced meal.
Variations
- Cheesy Mashed Potatoes: Stir in 3 cups shredded sharp cheddar or Parmesan cheese after mashing for a rich, cheesy flavor.
- Garlic Mashed Potatoes: Roast 8 cloves of garlic and mash them into the potatoes for a mellow, sweet garlic taste.
- Herb Mashed Potatoes: Add chopped fresh herbs such as rosemary, thyme, or chives for a fragrant twist.
- Loaded Mashed Potatoes: Mix in cooked bacon bits, sour cream, cheddar cheese, and green onions for a loaded baked potato style side.
Storage and Reheating
Store leftover mashed potatoes in airtight containers in the refrigerator for up to 3 days. To reheat, place them in a large pot or deep skillet over low heat. Stir frequently and add a splash of milk or cream to loosen the texture. Alternatively, reheat in a covered dish in a 350°F (175°C) oven for 20-30 minutes, stirring halfway through. Avoid microwave reheating in one large batch as it can heat unevenly and dry out.
If you need to prepare mashed potatoes in advance for an event, you can make them up to 24 hours ahead. Store chilled and reheat gently as described. For longer storage, mashed potatoes can be frozen in airtight containers for up to 2 months; thaw overnight in the refrigerator before reheating.
Frequently Asked Questions
Q1: How many potatoes do I need per person?
For mashed potatoes, plan on about 1/2 pound of raw potatoes per person. This recipe uses 25 pounds for 50 people, which allows for generous servings and some leftovers.
Q2: Can I make mashed potatoes without a potato masher?
Yes, a potato ricer or food mill works best for smooth potatoes. If you don’t have either, a sturdy fork or hand mixer on low speed can work, but avoid overmixing to prevent gluey texture.
Q3: How do I keep mashed potatoes warm for a large event?
Transfer mashed potatoes to large hotel pans or heatproof serving dishes, cover tightly with foil, and keep in a low oven (around 200°F/95°C). Stir occasionally to prevent skin formation. Avoid high heat which can dry them out.
Q4: Is it better to boil potatoes whole or cut?
Cutting potatoes into chunks speeds up cooking and promotes even doneness. Whole potatoes take longer and may cook unevenly, especially in large batches.
Q5: Can I add cream cheese or heavy cream?
Yes, cream cheese or heavy cream can be added for richer mashed potatoes. Substitute some or all of the milk with heavy cream, or fold in softened cream cheese after mashing for extra creaminess and tang.
Q6: Why are my mashed potatoes sometimes grainy or gluey?
Grainy texture can result from undercooked potatoes or not mashing enough. Gluey potatoes usually come from overmixing or using waxy potatoes instead of starchy ones like Russets. Use the right potato and mash gently for best results.
With these guidelines, you can confidently prepare creamy, crowd-pleasing mashed potatoes for 50 people without stress. Planning, proper technique, and attention to seasoning will ensure your dish is a hit every time.
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