Horseradish Mashed Potatoes With Caramelized Onion

Horseradish Mashed Potatoes With Caramelized Onion Recipe

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Vicki Butts (lazyme)


A yummy side dish that can be made ahead.

★★★★★ 1 vote
20 Min
1 Hr


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1/4 c
6 Tbsp
2 1/4 lb
white onions, thinly sliced
3 Tbsp
balsamic vinegar
2 tsp
fresh thyme, chopped
3 1/2 lb
russet potatoes, peeled, cut into 1-inch pieces
7 Tbsp
whole milk
1/4 c
prepared horseradish

How to Make Horseradish Mashed Potatoes With Caramelized Onion


  • 1Melt 1/4 cup butter in large skillet over medium heat. Add onions; saute until deep golden, about 30 minutes. Add vinegar and thyme. Reduce heat to low; saute 4 minutes. Season with salt and paper.
  • 2Meanwhile, cook potatoes in large pot of boiling salted water until very tender, about 20 minutes. Drain. Return to same pot; mash until smooth. Add 6 tablespoons milk, horseradish and 6 tablespoons butter; stir to blend. Thin with 2 tablespoons milk if necessary. Add 1 to 2 tablespoons more butter if necessary. Season with salt and pepper.
  • 3Transfer potatoes to serving dish. Spoon onion mixture atop potatoes. (Can be prepared 8 hours ahead. Cover with foil and refrigerate. Rewarm in 350ºF oven about 30 minutes). Serve hot.

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About Horseradish Mashed Potatoes With Caramelized Onion

Course/Dish: Potatoes
Main Ingredient: Potatoes
Regional Style: American

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