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+ servings

Mashed Potatoes with Caramelized Onion

I could eat caramelized onions by the spoonful. I love the way they taste. I love the way they make my house smell when they are caramelizing. And I love the way they make mashed potatoes taste better.
Prep Time10 minutes
Cook Time30 minutes
Servings - 8 servings


  • 2 Tbsp olive oil
  • 2 Tbsp white sugar
  • 2 Tbsp balsamic vinegar
  • 2 large white onions thinly sliced
  • 6 large Russet potatoes
  • 1/3 cup butter
  • 1/2 cup milk or more for creamier potatoes
  • Salt and pepper to taste


  • Caramelize the onions - heat the olive oil, sugar and balsamic vinegar in a large skillet. Add the chopped onions. Let cook over medium-low heat for 30 minutes, stirring often.
  • Peel, cube and boil potatoes in a large pot of water. Once soft, drain and mash with the butter, milk (or whatever else) and salt and pepper.
  • Combine the mashed potatoes with the caramelized onions.
  • Serve warm as side dish.