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Brown Butter Mashed Potatoes are the ultimate side dish for any meal. It’s smooth and creamy with a rich, nutty flavor from the brown butter. |

Brown Butter Mashed Potatoes

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  • Author: Sam Hu | Ahead of Thyme
  • Total Time: 30 minutes
  • Yield: 4 servings
  • Diet: Gluten Free


Brown Butter Mashed Potatoes are the ultimate side dish for any meal. It’s smooth and creamy with a rich, nutty flavor from the brown butter and just the right amount of seasoning. Not to mention, the looks of it are just as gorgeous and appetizing as the flavor!


  • 2 pounds russet potatoes, peeled and quartered
  • ½ cup unsalted butter, cut into smaller pieces
  • 3 cloves garlic, minced
  • ⅓ cup sour cream
  • ½ cup whole milk (or more if needed)
  • 1/4 cup parmesan cheese, grated
  • ½ teaspoon salt (or to taste)
  • ¼ teaspoon ground black pepper (or to taste)
  • fresh parsley, finely chopped (for serving)


  1. Add the potatoes into a large pot of salted water. Bring it to a boil over medium-high heat and cook until fork tender, about 10-15 minutes. If you can easily insert a fork into the potatoes, then they are ready.
  2. While the potatoes are cooking, melt the butter in a saucepan over medium-low heat. Use a rubber spatula, and begin stirring as soon as the butter melts. Continuously stir throughout the entire process to prevent burning. The butter will start to foam and sizzle after a few minutes. Add garlic and continue to sauté. You will start to see the milk solids on the bottom of the pan. Keep cooking until the butter turns a golden brown color and gives off a nutty aroma, about 3-4 minutes. Once the milk solids turn a toasty brown colour, immediately remove from heat and set aside.
  3. Drain the water from the potatoes and mash the potatoes using a potato masher or a fork. Add half of the garlic brown butter mixture, sour cream, milk, parmesan, salt, and pepper. Mix well until smooth. Add more milk if needed until desired creamy texture is reached.
  4. Transfer to the mashed potatoes to a round serving dish and use the back of a spoon to swirl it on the serving dish. Drizzle the remaining garlic brown butter mixture on top. Sprinkle some chopped parsley on top and serve immediately.


How to store: Keep the leftover mashed potatoes in an airtight container and store them in the fridge for 3 to 5 days.

How to reheat: Place the leftovers in an oven-safe dish, add a splash of milk, and cover with a lid or foil to prevent it from drying out. Heat in the oven at 350°F for 15 to 20 minutes, or until warmed through.

How to freeze: Put the brown butter mashed potatoes in a freezer-safe container or freezer bags and store for up to 3 months. Thaw in the fridge before reheating in the oven.

  • Prep Time: 10 minutes
  • Cook Time: 20 minutes
  • Category: Side Dish
  • Method: Stovetop
  • Cuisine: American