Best Ever Caramelized Onion Mashed Potatoes

Highlighted under: Comfort Food

Elevate your mashed potato game with this rich and creamy Best Ever Caramelized Onion Mashed Potatoes recipe. Infused with sweet, golden caramelized onions, these potatoes are the perfect side dish for any special occasion or a cozy weeknight dinner. Experience the delightful balance of flavors that will have everyone asking for seconds!

Marina Lowe

Created by

Marina Lowe

Last updated on 2025-11-29T10:34:22.539Z

This recipe for caramelized onion mashed potatoes is sure to impress your family and friends.

The Perfect Pairing for Any Meal

Caramelized Onion Mashed Potatoes elevate traditional mashed potatoes to a whole new level. The sweet, rich flavor of the caramelized onions perfectly complements the creamy texture of Yukon Gold potatoes. Whether served alongside a juicy steak, roasted chicken, or vegetarian dishes, this recipe adds a savory depth that enhances any meal. They become a delightful centerpiece on your dinner table, inviting everyone to indulge in their creamy goodness.

Not only do these mashed potatoes taste incredible, but they also offer versatility. You can serve them for festive occasions like Thanksgiving or Christmas, or enjoy them as a comforting side during casual family dinners. The delicious combination of flavors makes them a coveted dish that your guests will remember long after the meal is over.

Tips for Perfectly Caramelized Onions

Caramelizing onions may seem daunting, but with a little patience, you can achieve that perfect golden sweetness. Start by using low to medium heat; high temperatures can lead to burning rather than caramelization. Stir the onions occasionally, allowing them to cook evenly. Feel free to add a splash of balsamic vinegar or a pinch of sugar if you want to enhance their sweetness even more.

Additionally, using a non-stick skillet can help prevent the onions from sticking. Consider adding a bit of water during the cooking process to deglaze the pan, scraping up any caramelized bits that cling to the bottom. This technique will amplify the flavor, adding more complexity to your dish.

Ingredients

Ingredients List

Ingredients

  • 2 pounds of Yukon Gold potatoes
  • 2 large onions, thinly sliced
  • 4 tablespoons butter
  • 1 cup heavy cream
  • Salt and pepper to taste

Gather all ingredients before starting the cooking process.

Instructions

Cooking Steps

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 slowly, stirring occasionally, until they are golden brown and caramelized, about 20-25 minutes.

Prepare the Potatoes

While the onions are caramelizing, peel and cut the Yukon Gold potatoes into chunks. Boil them in salted water until fork-tender, about 15-20 minutes.

Mash and Combine

Drain the potatoes and return them to the pot. Add the remaining butter, heavy cream, and caramelized onions. Mash until smooth and creamy. Adjust seasoning with salt and pepper.

Serve hot as a delicious side dish.

Storage and Reheating

Leftover Caramelized Onion Mashed Potatoes can be stored in an airtight container in the refrigerator for up to 3 days. To keep them creamy, you may want to add a splash of milk or cream when reheating. Simply warm them up in the microwave or on the stovetop over low heat, stirring occasionally to ensure they heat evenly.

If you're looking to make them ahead of time, you can prepare the potatoes and caramelize the onions in advance. Just combine them just before serving to maintain their warm, comforting consistency.

Variations to Try

Feel free to customize this recipe to suit your taste preferences! For a cheesy version, fold in shredded cheddar cheese or crumbled goat cheese right before serving. Not only will this add creaminess, but it will also introduce tangy and savory notes that pair beautifully with the caramelized onions.

For a healthier alternative, consider using Greek yogurt instead of heavy cream. This substitution maintains the creamy texture while adding a protein boost. You could also experiment with herbs, such as thyme or rosemary, for added flavor dimension, or even mix in roasted garlic for a savory kick.

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Questions About Recipes

→ Can I use other types of potatoes?

Yes, but Yukon Gold potatoes provide the best flavor and creaminess.

Best Ever Caramelized Onion Mashed Potatoes

Elevate your mashed potato game with this rich and creamy Best Ever Caramelized Onion Mashed Potatoes recipe. Infused with sweet, golden caramelized onions, these potatoes are the perfect side dish for any special occasion or a cozy weeknight dinner. Experience the delightful balance of flavors that will have everyone asking for seconds!

Prep Time20 minutes
Cooking Duration40 minutes
Overall Time1 hour

Created by: Marina Lowe

Recipe Type: Comfort Food

Skill Level: Intermediate

Final Quantity: 4 servings

What You'll Need

Ingredients

  1. 2 pounds of Yukon Gold potatoes
  2. 2 large onions, thinly sliced
  3. 4 tablespoons butter
  4. 1 cup heavy cream
  5. Salt and pepper to taste

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 slowly, stirring occasionally, until they are golden brown and caramelized, about 20-25 minutes.

Step 02

While the onions are caramelizing, peel and cut the Yukon Gold potatoes into chunks. Boil them in salted water until fork-tender, about 15-20 minutes.

Step 03

Drain the potatoes and return them to the pot. Add the remaining butter, heavy cream, and caramelized onions. Mash until smooth and creamy. Adjust seasoning with salt and pepper.

Nutritional Breakdown (Per Serving)

  • Calories: 320
  • Fat: 18g
  • Carbohydrates: 40g
  • Protein: 4g