Creamy Miso Mayo Mashed Potatoes

Add a delightful twist to your favorite comfort food with our irresistibly creamy miso mashed potatoes! Miso mayo adds a bold, umami flavor to the potatoes, taking this classic recipe to new heights. This savory dish can complement various main courses, easily transforming any meal into something extraordinary!

Is there anything heartier and more comforting than a bowl of mashed potatoes? Hands down, I think it’s one of the best dishes in existence. But to jazz things up, I’ve decided to flavor it using my delectable miso mayo recipe, which worked so much better than I expected! The natural creaminess of potatoes paired beautifully with the salty, slightly sweet taste of the miso mayo. I hope your family will love these miso mashed potatoes as much as mine! It’s definitely going to be one of our holiday staples from now on.

A bowl of creamy miso mashed potatoes with pepper seasoning, next to a small bowl of gravy.

Why You’ll Love This Easy Side Dish

It offers a unique flavor twist to the classic mashed potatoes, making it deeply satisfying.
It’s a perfect side dish to serve alongside many dishes.
The rich, creamy texture practically melts in your mouth.
Russet potatoes are great sources of fiber, carbohydrates, and potassium, making them healthy.
White miso paste, the base of my miso mayo recipe, is a good source of protein.
This gluten-free, vegetarian recipe can easily be made vegan-friendly with a few ingredient swaps.

A bowl of miso mashed potatoes with a wooden spoon partially submerged in the creamy mixture.

Ingredient Notes

Russet Potatoes: The base of this recipe. These potatoes turn fluffy, light, and airy once mashed, making them a good choice for this dish. You can use Yukon gold potatoes or even red potatoes if you prefer.

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Miso Mayo: My homemade miso mayo gives the potatoes an umami boost while enhancing their richness.

Milk of Choice: Helps loosen the potatoes to give them a silky texture. It also adds a subtle richness and sweetness to the dish. You can use whole milk or plant-based milk like oat milk if needed.

Butter: Enhances the flavor of the potatoes and helps give the dish a smooth, silky consistency. You can use regular salted, plant-based, or unsalted butter if you prefer.

Ground Black Pepper: Adds a subtle smoky heat to the dish.

Salt: Amplifies the natural flavors of the other ingredients.

A bowl of miso mashed potatoes with two pats of butter on top and a wooden spoon on the side.

How to Make Miso Mashed Potatoes

Diced potatoes in a granite-textured pan, transforming into a hearty base for miso mashed potatoes.

A black pot contains diced boiled potatoes with a cube of butter melting on top, ready to transform into savory miso mashed potatoes.

Miso mashed potatoes are being stirred in a textured black pot, revealing a creamy and fluffy consistency.

Miso mashed potatoes with a creamy sauce are being mixed in a pot using a blue spatula.

A bowl of creamy miso mashed potatoes with a blue spatula.

A bowl of miso mashed potatoes seasoned with black pepper and salt.

A bowl of miso mashed potatoes topped with two pats of butter and a sprinkle of black pepper.

Place cubed potatoes in a pot, cover with cold water, and add a pinch of salt.
Boil for 15-20 minutes, or until fork-tender.
Drain and return to the pot. Mash with butter until smooth.
Mix in miso mayo, milk, and pepper until creamy, adding more milk if needed for the desired consistency.
Season with salt to taste and serve. Enjoy!

A bowl of miso mashed potatoes topped with a pat of butter, drizzled with gravy, and sprinkled with black pepper, with a wooden spoon on the side.

Serving Suggestions

With chopped chives, green onion, cilantro leaves, parsley, or scallions as a garnish.
Drizzled with sesame oil, miso butter sauce, or tahini sauce for extra flavor.
Topped with crispy onions, toasted sesame seeds, crispy garlic chips, or crushed roasted peanuts.
Flavored with maple syrup, parmesan (rennet-free if necessary), or vegan cheese.
Served alongside vegetable mains like roasted cabbage steaks, teriyaki tofu, cauliflower steaks, vegan sausage, or my vegetarian roast.
Served with air fryer green beans, bok choy, or stuffed acorn squash.

For more tasty ideas, see our article about what to serve with mashed potatoes!

A bowl of creamy miso mashed potatoes topped with gravy, two butter slices, and sprinkled with black pepper is shown.

Storing and Reheating

Any leftover miso mayo mashed potatoes should be kept in an airtight container and then stored in the refrigerator, where they will be good to eat for up to four days. Make sure they’re completely cooled before storing so they won’t accumulate condensation, which may lead to bacterial growth.

A bowl of creamy miso mashed potatoes with a spoon.

You can gently reheat the miso mashed potatoes in the microwave, stovetop, or oven. If the potatoes have become too thick or dry, add a splash of milk, broth, or water to adjust their consistency.

A bowl of creamy miso mashed potatoes topped with black pepper.

More Delicious Potato Recipes You Will Love

Roasted Potato Salad

Slow Cooker Roasted Potatoes

Mashed Purple Sweet Potatoes

Foil Packet Potatoes

Miso Mashed Potatoes

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Previously Published on moonandspoonandyum

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