Caramelized Onion And Horseradish Mashed Potatoes

• 1/4 cup light butter
• 4 cups chopped onions
• 2 teaspoons brown sugar
• 1 tablespoon white balsamic vinegar (optional)
• 2 1/2 lbs peeled and cubed baking potatoes
• 1/2 cup 2% low-fat milk
• 1/4 cup Dijon mustard
• 1 tablespoon fresh lemon juice
• 2 tablespoons prepared horseradish
• 1 tablespoon light mayonnaise or 1 tablespoon fat-free mayonnaise
• 1/2 teaspoon salt

1. Melt 1 tablespoon butter in a medium nonstick skillet over medium-high heat.
2. Add onion and sugar; saute 10 minutes or until caramelized.
3. Remove from heat and stir in vinegar if desired.
4. Place potatoes in a saucepan and cover with water.
5. Bring to a boil; reduce heat and simmer for 15-20 minutes or until tender.
6. Drain and return potatoes to pan.
7. Add 3 tablespoons butter and milk; mash to desired consistency.
8. Cook 2 minutes or until thoroughly heated through, stirring constantly.
9. Combine Dijon mustard and remaining ingredients in a small bowl, stirring with a whisk until blended.
10. Add Dijon mustard mixture and caramelized onion mixture to potato mixture, stirring to combine.
11. Serve.

light butter, onions, brown sugar, white balsamic vinegar, potatoes, milk, mustard, lemon juice, horseradish, light mayonnaise, salt

Taken from www.food.com/recipe/caramelized-onion-and-horseradish-mashed-potatoes-54457 (may not work)