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Best Ever Caramelized Onion Mashed Potatoes


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  • Author: Tory
  • Total Time: 1 hour 20 minutes
  • Yield: 6 servings 1x

Description

This dish elevates traditional mashed potatoes into a dreamy, rich experience that your taste buds won’t forget.


Ingredients

Scale
  • 2 lbs Yukon Gold potatoes, washed and chopped
  • ¾ cup half & half (or full-fat coconut milk/dairy-free milk)
  • 4 tbsp salted butter (or dairy-free alternative)
  • 1 cup freshly grated Parmesan cheese
  • 1 tsp kosher salt
  • 4 yellow onions, thinly sliced
  • 2 tbsp olive oil
  • 1 bunch chives, finely chopped
  • 2 sprigs fresh thyme, stems removed
  • 3 fresh sage leaves, chopped
  • Extra melted butter (optional)

Instructions

  1. Begin your masterpiece by introducing olive oil into a skillet heated over medium heat. Carefully add your thinly sliced onions, ensuring they are evenly distributed around the pan. The secret to mastering caramelization is patience; allow the onions to cook slowly for about 40 to 50 minutes, stirring occasionally. As they cook, you’ll witness their transformation into deeply browned, sweet strands of goodness. Once perfectly caramelized, set these onions aside to add later.
  2. While the onions are working their magic, it’s time to focus on the potatoes. Fill a large pot with salted water and bring it to a boil. Once boiling, carefully add your chopped Yukon Gold potatoes. Cook them for about 20 minutes or until tender enough to be pierced easily with a fork. After they’re done, drain the potatoes and return them to the pot, allowing the residual heat to evaporate any moisture.
  3. Now comes the fun part—mashing! Add the salted butter, half & half, and a sprinkle of kosher salt to your drained potatoes. Using a potato masher or ricer, mash them until they reach your desired smooth and creamy consistency. This is where those Yukon Golds shine, giving you that luxurious mash you crave.
  4. To elevate your mashed potatoes further, fold in half of the caramelized onions along with the freshly grated Parmesan cheese. The cheese will melt slightly, integrating into the mash and enriching the flavor. Taste and adjust seasoning if necessary, as the cheese can add a touch of saltiness.
  5. Transfer your beautifully blended potatoes into a serving bowl, ready for the grand finale. Heap the remaining caramelized onions on top, and garnish with finely chopped chives, fresh thyme, and sage. For a touch of indulgence, drizzle extra melted butter over the top before serving. Get ready for the compliments to roll in!

Notes

For the best flavor, don’t rush the caramelization process; the deeper the color, the richer the taste.

  • Prep Time: 20 minutes
  • Cook Time: 1 hour
  • Category: Side Dish

Nutrition

  • Calories: 350 kcal
  • Sodium: 500 mg
  • Protein: 6 g