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Home / Comfort Food

Horseradish Mashed Potatoes with Caramelized Onions

5
/5
40 minutes
18 Comments
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By: The Chunky Chefpublished: 10/12/2016

This post may contain affiliate links. Please read my disclosure policy.

These horseradish mashed potatoes with caramelized onions are an exciting twist on a traditional dish… full of mouthwatering flavor combinations!

One bite of these horseradish mashed potatoes with caramelized onions and you’ll never want regular mashed potatoes again!  The flavors compliment each other wonderfully, and this dish is sure to “wow” any guests you serve it to!

Horseradish Mashed Potatoes with Caramelized Onions | Not your average side dish, these mashed potatoes are full of amazing flavor combinations. Perfect for your holiday table! | http://thechunkychef.comCan you believe that Thanksgiving is just about 6 weeks away?!  I’m not sure what we’ll do this year, but I’m pretty sure these horseradish mashed potatoes with caramelized onions WILL be one of the side dishes I’ll bring!

Horseradish Mashed Potatoes with Caramelized Onions | Not your average side dish, these mashed potatoes are full of amazing flavor combinations. Perfect for your holiday table! | http://thechunkychef.com

I’m a sucker for ANYTHING with caramelized onions (like this dip, or grilled cheese), and the horseradish in these just takes it way over the top!

And don’t worry about the horseradish being too spicy, you can definitely decrease (or increase) the amount to your tastes.

The way I’ve written the recipe, it’s a great back-note, a hint of heat at the end of the bite… and one that’s really counterbalanced with the slightly sweet caramelized onions.

Horseradish Mashed Potatoes with Caramelized Onions | Not your average side dish, these mashed potatoes are full of amazing flavor combinations. Perfect for your holiday table! | http://thechunkychef.com

You definitely don’t have to wait for a special occasion to have these potatoes… they make a great side dish!  Try them alongside my absolute favorite seared steak with some slow cooker mushrooms and a salad for a terrific complete meal.

Have you ever made homemade mashed potatoes, and they just didn’t turn out all that great? Here are a few of my tips for perfectly fluffy mashed potatoes!

Tips for the Fluffiest Mashed Potatoes, Every Time:

  • Use quality potatoes (most people like russets, but my personal favorite is yukon gold – they’re super buttery and creamy all on their own)
  • Season the water that the potatoes are boiling in (just like you would with pasta)
  • Boil potatoes until fork tender, but don’t over-boil them or they’ll be mushy
  • Warm the liquids, like cream, before you mash (just a quick zap in the microwave is good)
  • Don’t over beat the potatoes (if you want super smooth potatoes, a hand mixer works perfectly, but don’t beat them too much or they’ll be gluey in texture)
  • Don’t forget to season with salt and pepper

Horseradish Mashed Potatoes with Caramelized Onions | Not your average side dish, these mashed potatoes are full of amazing flavor combinations. Perfect for your holiday table! | http://thechunkychef.com

Also, for a big gathering, like Thanksgiving, you can make these potatoes a few hours ahead of time and toss them in your slow cooker on the “keep warm” setting, and they’ll be ready when you are!

I hope you give these horseradish mashed potatoes with caramelized onions a try soon… your taste buds won’t regret it!

Horseradish Mashed Potatoes with Caramelized Onions | Not your average side dish, these mashed potatoes are full of amazing flavor combinations. Perfect for your holiday table! | http://thechunkychef.com

Did you make this? Be sure to leave a review below and tag me @the_chunky_chef on Facebook and Instagram!

Horseradish Mashed Potatoes with Caramelized Onions | Not your average side dish, these mashed potatoes are full of amazing flavor combinations. Perfect for your holiday table! | http://thechunkychef.com

Horseradish Mashed Potatoes with Caramelized Onions

5 from 5 votes
Author: The Chunky Chef
Prep Time: 20 minutes
Cook Time: 20 minutes
Total Time: 40 minutes
Servings: 6 -8 servings
(hover over # to adjust)
Print Rate Pin
These horseradish mashed potatoes with caramelized onions are an exciting twist on a traditional dish... full of mouthwatering flavor combinations!

Ingredients

  • CARAMELIZED ONIONS:
  • 2 -3 Tbsp butter
  • 2 large yellow onions diced
  • 1/2 tsp dried thyme
  • salt and pepper to taste
  • POTATOES:
  • 3 lbs yukon gold potatoes
  • 1 tsp salt
  • 1/2 cup + 2 Tbsp heavy cream or half and half
  • 4 Tbsp butter 1/2 stick
  • Salt and pepper to taste
  • 1 1/2 Tbsp dijon mustard
  • 2 Tbsp prepared horseradish more or less to your tastes
  • Fresh parsley minced (for garnish)

Instructions

  • CARAMELIZE THE ONIONS:
  • Add 2-3 Tbsp butter to a large skillet and heat over MED to MED-HIGH heat. Add diced onions to pan, and saute, stirring often, for 3-5 minutes.
  • Season with thyme, salt, and pepper.
  • Reduce heat to MED-LOW and saute, stirring occasionally, for 10-20 minutes, until onions are soft and golden brown in color.
  • Remove from heat and set aside.
  • COOK THE POTATOES:
  • If using baby yukon gold potatoes, halve the smaller ones, and quarter the larger ones.
  • Add sliced potatoes to a large clean, dry pot. Cover with cold water, about 1" above the potatoes, and season with 1 tsp salt.
  • Cover, and bring to a boil. Once boiling, remove lid and boil for 15-20 minutes, or until potatoes are tender when pierced with a fork.
  • Drain potatoes, then return to the same pot.
  • Microwave heavy cream and butter for 1 minute, then pour over cooked potatoes.
  • Mash until desired consistency. Alternatively, beat with a hand mixer.
  • Use a wooden spoon to stir in salt, pepper, dijon mustard, horseradish and caramelized onions.
  • Garnish with minced parsley.

Want to save this recipe for later? Click the heart in the bottom right corner to save to your own recipe box!

Chef Tips

1. Recipe adapted from AllRecipes
2. I chose to leave the skins on my potatoes, but if you prefer skinless, just peel them first.

Nutrition Disclaimer

The Chunky Chef is not a dietician or nutritionist, and any nutritional information shared is an estimate. If calorie count and other nutritional values are important to you, we recommend running the ingredients through whichever online nutritional calculator you prefer. Calories can vary quite a bit depending on which brands were used.

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Horseradish Mashed Potatoes with Caramelized Onions | Not your average side dish, these mashed potatoes are full of amazing flavor combinations. Perfect for your holiday table! | http://thechunkychef.com

Horseradish Mashed Potatoes with Caramelized Onions | Not your average side dish, these mashed potatoes are full of amazing flavor combinations. Perfect for your holiday table! | http://thechunkychef.com

Horseradish Mashed Potatoes with Caramelized Onions | Not your average side dish, these mashed potatoes are full of amazing flavor combinations. Perfect for your holiday table! | http://thechunkychef.com

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Meet The Chunky Chef

Hey there! I'm Amanda. Wife, mother, photography nerd, and bacon lover! I believe that delicious meals should be easy to make. Now that you’re here, stay a bit, browse a few recipes, and let’s get cookin’!

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Recipe Rating




  1. Shirley Thomas says

    Posted on 3/4 at 8:37 pm

    Definitely the best potatoes I’ve ever had Mashed or otherwise! Chunky chef you’re the best and thank you so much for sharing all!

    Reply
  2. Cee says

    Posted on 12/2 at 10:46 am

    Was looking for something to WOW my inlaws for our Thanksgiving dinner this, horseradish mashed potatoes dish, DID It !!!. So quick and simple.

    Thanks a lot.

    Reply
  3. Kate Smith says

    Posted on 5/3 at 8:42 pm

    My family loves this. Of course more horseradish. It’s become the most asked for dish and so easy. Thanks!

    Reply
  4. Joan says

    Posted on 1/6 at 10:15 am

    I had some leftover already cut up butternut squash which I steamed and added to the potatoes. I served this with your pork chops and apples recipe. Everything turned out fabulously. Thank you.

    Reply
  5. Randy Cater says

    Posted on 6/17 at 8:00 pm

    Tried this for the first time tonight, it was a huge hit, family loved it!!!

    Reply
  6. Eric Hendrickson_Lambert says

    Posted on 2/12 at 8:14 pm

    I’m really enjoying your recipes! Made this, and, the Chipotle Meatloaf and perfect. Tomorrow I’m going for the slow-cooker rotisserie chicken w/ the Boston Market Man and Cheese copy. Thanks for these!

    Reply
  7. Amy says

    Posted on 11/10 at 6:29 pm

    Yuuuummmmmm. I wanted a meat-and-potatoes meal to make for the ol man tonight – found your one pan pork chops with apples, and this was suggested as a side. I pre-made them, had a healthy sampling, and they’re going to stay warm in the oven til we eat. I might broil the top. DELICIOUS. He’s going to be pumped. Thank you!

    Reply
  8. Patty says

    Posted on 10/29 at 11:46 am

    Do you think you could substitute cauliflower for the potatoes?
    Trying to be healthier.
    Your thoughts?
    Thank you!
    I’m new to your site & love it!

    Reply
    • The Chunky Chef says

      Posted on 10/29 at 7:52 pm

      Hi Patty 🙂 I’ve only tested the recipe as written, so I can’t say for certain, but I think that would work okay. Welcome to the site!

      Reply
  9. Honeybunny322001 says

    Posted on 8/19 at 12:02 pm

    These sound SO good!! Making them tonite with french onion pork😆

    Reply
  10. Savannah says

    Posted on 11/3 at 1:27 am

    Ahhhh, these sound delightful!!! I’m always looking for new ways to spice up mashed potatoes, and I’ve honestly never thought of horseradish before. I am so excited to give this recipe a try though! Thanks for sharing <3

    Reply
  11. Megan @ With Salt and Wit says

    Posted on 10/15 at 12:31 am

    This sounds delicious! I cannot wait to devour some!

    Reply
  12. Angie | Big Bear's Wife says

    Posted on 10/14 at 3:34 pm

    No no no I can’t think about Thanksgiving yet! I’m still loving Halloween right now haha. Love these mashed potatoes though!

    Reply
  13. Amy @ Little Dairy on the Prairie says

    Posted on 10/14 at 10:35 am

    Since I’m from Idaho we eat potatoes almost every day! I’m always looking for fun new ways to serve them and this dish looks fantastic! I love the onions on top!

    Reply
  14. Lori @ RecipeGirl says

    Posted on 10/14 at 9:51 am

    Give me a giant spoon! Yum!

    Reply
  15. Carrie @Frugal Foodie Mama says

    Posted on 10/14 at 8:08 am

    LOVE this! Such a tasty change of pace from the usual Thanksgiving mashed potatoes. 🙂

    Reply
  16. Maryanne | the little epicurean says

    Posted on 10/14 at 12:38 am

    I cannot believe Thanksgiving is next month! I love the addition of horseradish. I’m sure it adds such a kick of flavor!

    Reply
  17. TidyMom says

    Posted on 10/13 at 9:59 am

    my husband is a BIG fan of mashed potatoes, I can’t wait to make these for him!

    Reply

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