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Make-Ahead Mashed Potatoes for 100

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Planning a grand feast or event? Look no further! These make-ahead mashed potatoes are the ultimate time-saver, ensuring a creamy, delightful side dish without the last-minute rush. Scaled to serve a crowd, they’re perfect for weddings, large gatherings, or community events.

  • Total Time: 2 hours (excluding refrigeration time)
  • Yield: Serves 100 1x

Ingredients

Units Scale
  • 50 pounds Russet or Yukon Gold potatoes, peeled and quartered
  • 5 pounds unsalted butter, room temperature
  • 4 quarts heavy cream, warmed
  • Salt, to taste
  • White pepper, to taste
  • Optional: Roasted garlic, fresh herbs (like rosemary or thyme), grated Parmesan

Equipment & Utensils:

  1. Large Pots (2 or more): For boiling the potatoes.

  2. Large Colanders (2 or more): To drain the potatoes.

  3. Potato Masher or Potato Ricer: Depending on your preference for mashing.

  4. Large Mixing Bowls (2 or more): For mashing and mixing ingredients.

  5. Large Wooden Spoons or Spatulas: For stirring.

  6. Measuring Cups and Spoons: To measure out ingredients accurately.

  7. Large Oven-Safe Dishes (Several): To store and reheat the mashed potatoes.

  8. Aluminum Foil: To cover the dishes before refrigeration and baking.

  9. Knife and Cutting Board: For peeling and quartering the potatoes.

  10. Stove and Oven: For boiling the potatoes and reheating them, respectively.

  11. Timer: To keep track of boiling and baking times.

  12. Gloves or Pot Holders: To handle hot dishes.

  13. Serving Spoons: For serving the mashed potatoes.

  14. Thermometer (Optional): To ensure the mashed potatoes have been reheated to a safe temperature

Instructions

  1. Fill large pots with cold water, add the potatoes, and season generously with salt. Bring to a boil.
  2. Simmer the potatoes until tender when pierced with a fork, about 20-25 minutes.
  3. Drain the potatoes in large colanders. Allow them to steam dry for about 5 minutes.
  4. In batches, mash the potatoes or pass them through a potato ricer into a large container.
  5. Slowly mix in the butter and warmed cream, stirring continuously until silky and smooth.
  6. Season with salt and white pepper. Add optional ingredients if using.
  7. Transfer the mashed potatoes to large oven-safe dishes, cover with foil, and refrigerate.
  8. On the day of your event, preheat the oven to 350°F (175°C). Bake the covered dishes for about 25-30 minutes or until heated through. Stir well before serving.

Notes

  • These potatoes can be made up to two days in advance.
  • If they appear too thick when reheating, you can add a splash of milk or cream for desired consistency.
  • Author: Jay Whyms
  • Prep Time: 1 hour
  • Cook Time: 30 minutes (initial boiling) + 30 minutes (reheating)
  • Category: Side Dish
  • Method: Boiling and Baking
  • Cuisine: American
  • Diet: Vegetarian
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