Caramelized Onion and Horseradish Mashed Potatoes

These are pretty much to-die-for mashed potatoes with a little bit of kick to them:  Caramelized Onion and Horseradish Mashed Potatoes.  I must admit… I was afraid these would be too spicy for my family to eat.  Not to worry– the spicy stuff adds just enough flavor to make them awesome!  Perhaps add a little bit of the horseradish mixture at a time to make sure they are just right for you!

Caramelized Onion and Horseradish Mashed Potatoes

Yield: 10 Servings (3/4 cup per serving)

Prep Time: 20 min

Cook Time: 30 min

Caramelized Onion & Horseradish Mashed Potatoes

This recipe is gluten-free adaptable- please see notes at the end of the recipe.


1/4 cup butter, divided
4 cups chopped onion
2 teaspoons brown sugar
1 Tablespoons white balsamic vinegar (optional)
2 1/2 pounds cubed peeled baking potato
1/2 cup whole milk
1/4 cup Dijon mustard
1 Tablespoon fresh lemon juice
2 Tablespoon prepared horseradish
1 Tablespoon light mayonnaise
1/2 teaspoon salt


1. Melt 1 Tablespoon butter in a medium nonstick skillet over medium-high heat. Add onion and sugar; saute 10 minutes or until caramelized. Remove from heat; stir in vinegar, if desired.

2. Place potato in a saucepan, and cover with water. Bring to a boil. Reduce heat; simmer 15 minutes or until tender.

3. Drain and return potato to pan. Add 3 Tablespoons butter and milk; mash to desired consistency. Cook 2 minutes or until thoroughly heated, stirring constantly.

4. Combine Dijon mustard and remaining ingredients in a small bowl, stirring with a whisk until blended. Add Dijon mustard mixture and caramelized onion mixture, stirring to combine.


*If preparing this as a GLUTEN FREE recipe, just make sure that you are using a brand of mayonnaise that is designated as GF.

Nutritional Information Per Serving of 3/4 cup
Calories 177, Calories from Fat 52, Total Fat 6g, Sat Fat 3.3g, Cholesterol 14mg, Sodium 221g, Potassium 624mg, Carbohydrates 29g, Dietary Fiber 3.75g, Sugar 5g, Net Carbs 25.25g, Protein 3.5g

WW POINTS per serving:
Points Plus Program: 5 Old Points Program: 5

SOURCE: (via Cooking Light)

More mashed potato recipes you might enjoy:
Roasted Garlic- Goat Cheese Mashed Potatoes by How Sweet It Is
How to Make Perfect Mashed Potatoes by RecipeGirl
Buttermilk- Blue Cheese Mashed Potatoes by FoodieCrush
Creamy Oven-Baked Mashed Potatoes by RecipeGirl
Bacon, Ranch and Cheddar Mashed Potatoes by Picky Palate