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Costco Copycats Deli

Mashed Potatoes

"Rich, creamy mashed potatoes that taste just like the Costco deli tub — except you made them fresh, they're still steaming, and you didn't have to fight for parking. The deli sells ~3 lbs for $8.99, but a bag of russets and some Kirkland butter gets you there for a fraction of the price."

Mashed Potatoes
Prep 10 min
Cook 25 min
Servings8
Cost $1.25/serving
156 cal 0g protein 0g carbs 18g fat
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Costco Copycat — This is a homemade version of the Costco Deli & Prepared Foods item. See it in store →

Vegetarian Gluten-Free
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The Game Plan

  1. Peel potatoes and cut into roughly 1-inch chunks — keep them uniform so they cook evenly.

  2. Place potatoes in a large pot and cover with cold, salted water by about an inch.

  3. Bring to a boil over high heat, then reduce to a steady simmer. Cook 15-20 minutes until a fork slides through with zero resistance.

  4. While potatoes simmer, warm the heavy cream and butter together in a small saucepan over low heat until the butter melts. If using garlic, sauté it in the butter for 1 minute before adding the cream.

  5. Drain potatoes thoroughly and return them to the hot pot. Let them sit for 1-2 minutes to steam off excess moisture — this is the secret to non-gluey mash.

  6. Mash with a potato masher or ricer. Pour in the warm cream-butter mixture and stir gently until smooth and creamy. Season with salt and pepper.

Leftover Ideas

Form into patties, coat in panko, and pan-fry for crispy potato cakes

Spread as the topping for a shepherd's pie or cottage pie

Stir in cheddar and chives, roll into balls, and bake for loaded potato bites

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