Best Ever Caramelized Onion Mashed Potatoes

Highlighted under: Comfort Food

Experience the ultimate comfort food with our Best Ever Caramelized Onion Mashed Potatoes. Creamy, flavorful, and topped with sweet caramelized onions, this dish is perfect for any occasion.

Summer Blake

Created by

Summer Blake

Last updated on 2025-12-11T12:49:42.769Z

These mashed potatoes are taken to the next level with the addition of caramelized onions, making them a deliciously sweet and savory side dish. Perfect for holidays, family gatherings, or a cozy dinner at home, they will quickly become your go-to recipe!

Why You Will Love This Recipe

  • Rich, buttery flavor balanced with sweet caramelized onions
  • Creamy texture that is irresistibly smooth
  • Perfect for special occasions or a comforting weeknight meal

The Perfect Side Dish

Caramelized onion mashed potatoes are not just a side dish; they're a centerpiece. The creamy texture of the Yukon Gold potatoes combined with the rich flavor of butter creates a luxurious base. When you fold in the sweet, caramelized onions, each bite is an explosion of flavor that elevates any meal. Whether paired with roasted meats or served at holiday gatherings, this dish is sure to impress your guests.

The versatility of this recipe makes it suitable for various occasions. From casual weeknight dinners to elegant holiday feasts, caramelized onion mashed potatoes can fit seamlessly into any menu. Their comforting nature appeals to both kids and adults, making them a family favorite that everyone can enjoy.

Tips for Perfectly Caramelized Onions

Caramelizing onions is an art that can greatly enhance your cooking. Start by using a heavy-bottomed skillet to ensure even cooking. Patience is key; allow the onions to cook slowly over medium heat. Stir them occasionally to prevent burning, and don't rush the process. The natural sugars in the onions will caramelize beautifully, transforming them into a sweet and savory addition to your mashed potatoes.

If you want to add a depth of flavor to your caramelized onions, consider adding a splash of balsamic vinegar or a sprinkle of sugar during the cooking process. These additions can enhance the sweetness and complexity of the onions, making your mashed potatoes even more delicious.

Serving Suggestions

To make your caramelized onion mashed potatoes even more delightful, consider serving them with a drizzle of olive oil or a sprinkle of freshly grated Parmesan cheese. These toppings can add an extra layer of flavor and a touch of sophistication. For a bit of crunch, try topping the dish with crispy shallots or bacon bits.

Pair your mashed potatoes with protein-rich dishes like herb-roasted chicken, grilled steak, or glazed salmon. The creamy texture and sweet onion flavor will complement these mains beautifully, creating a well-rounded meal that is both satisfying and memorable.

Ingredients

Gather the following ingredients to make the best mashed potatoes you've ever tasted!

Ingredients

  • 2 pounds Yukon Gold potatoes, peeled and quartered
  • 4 tablespoons unsalted butter
  • 1 cup heavy cream
  • 2 large onions, thinly sliced
  • Salt and pepper to taste
  • Fresh parsley for garnish (optional)

Make sure to have everything ready before you start cooking!

Instructions

Follow these simple steps to create the perfect caramelized onion mashed potatoes.

Caramelize the Onions

In a large skillet, melt 2 tablespoons of butter over medium heat. Add the sliced onions and a pinch of salt. Cook, stirring occasionally, for about 20-25 minutes until the onions are golden brown and caramelized.

Remove from heat and set aside.

Cook the Potatoes

In a large pot, add the quartered potatoes and cover with cold water. Bring to a boil and cook for about 15-20 minutes or until fork-tender. Drain well.

Mash the Potatoes

Return the drained potatoes to the pot. Add the remaining butter and heavy cream. Mash until smooth and creamy. Season with salt and pepper to taste.

Combine and Serve

Fold in the caramelized onions into the mashed potatoes. Transfer to a serving dish, garnish with fresh parsley if desired, and enjoy!

Enjoy your deliciously creamy caramelized onion mashed potatoes!

Storage Tips

If you have leftovers, store them in an airtight container in the refrigerator for up to three days. When reheating, add a splash of milk or cream to restore creaminess, as the potatoes can thicken upon cooling. Microwave or heat on the stovetop over low heat, stirring frequently to ensure even warming.

For longer storage, consider freezing your mashed potatoes. Place them in a freezer-safe container, and they will keep for up to two months. When ready to enjoy, let them thaw in the fridge overnight before reheating.

Variations to Try

Feel free to experiment with different types of potatoes, such as Russets or red potatoes, for varied textures and flavors. Additionally, you can incorporate roasted garlic into the mash for an extra layer of flavor that pairs perfectly with the sweetness of the caramelized onions.

For a lighter version, substitute half of the heavy cream with Greek yogurt or sour cream. This swap adds a tangy note while keeping the dish creamy and delicious. You can also incorporate herbs like thyme or rosemary for added freshness.

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Questions About Recipes

→ Can I use a different type of potato?

Yes, while Yukon Gold potatoes are recommended for their creamy texture, you can use Russet potatoes as well.

→ Can I make these mashed potatoes ahead of time?

Absolutely! You can prepare them a few hours in advance and reheat them before serving.

→ What can I serve with caramelized onion mashed potatoes?

These mashed potatoes pair well with roasted meats, grilled vegetables, or as part of a holiday feast.

→ Can I freeze the mashed potatoes?

Yes, you can freeze them. Just ensure they are in an airtight container, and reheat from frozen when ready to serve.

Best Ever Caramelized Onion Mashed Potatoes

Experience the ultimate comfort food with our Best Ever Caramelized Onion Mashed Potatoes. Creamy, flavorful, and topped with sweet caramelized onions, this dish is perfect for any occasion.

Prep Time20 minutes
Cooking Duration30 minutes
Overall Time50 minutes

Created by: Summer Blake

Recipe Type: Comfort Food

Skill Level: Intermediate

Final Quantity: 4 servings

What You'll Need

Ingredients

  1. 2 pounds Yukon Gold potatoes, peeled and quartered
  2. 4 tablespoons unsalted butter
  3. 1 cup heavy cream
  4. 2 large onions, thinly sliced
  5. Salt and pepper to taste
  6. Fresh parsley for garnish (optional)

How-To Steps

Step 01

In a large skillet, melt 2 tablespoons of butter over medium heat. Add the sliced onions and a pinch of salt. Cook, stirring occasionally, for about 20-25 minutes until the onions are golden brown and caramelized. Remove from heat and set aside.

Step 02

In a large pot, add the quartered potatoes and cover with cold water. Bring to a boil and cook for about 15-20 minutes or until fork-tender. Drain well.

Step 03

Return the drained potatoes to the pot. Add the remaining butter and heavy cream. Mash until smooth and creamy. Season with salt and pepper to taste.

Step 04

Fold in the caramelized onions into the mashed potatoes. Transfer to a serving dish, garnish with fresh parsley if desired, and enjoy!

Nutritional Breakdown (Per Serving)

  • Calories: 380 kcal
  • Total Fat: 26g
  • Saturated Fat: 15g
  • Cholesterol: 195mg
  • Sodium: 85mg
  • Total Carbohydrates: 32g
  • Dietary Fiber: 3g
  • Sugars: 4g
  • Protein: 6g