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Caramelized Onions Recipe

Caramelizing onions brings out their sweetness and the addition of the balsamic vinegar give these a tangy kick. You can use these on top of steak or burgers, in onion soup, as a dip or just eat them as they are.

Prep: 5 minutes | Cook: 45 minutes | Yield: About 1.5 cups

Onions, balsamic vinegar


  • 1 tablespoon butter
  • 1 tablespoon olive oil
  • 3 onions, thinly sliced
  • 1/4 cup balsamic vinegar
  • pinch of sugar
  • 1/2 teaspoon salt


  1. Melt the butter in a skillet over medium heat and add the olive oil. Add the onions and stir to coat. Cook over medium heat for 15 minutes until turning brown. Stir in the vinegar, sugar and salt. Continue cooking until onions are softened, about 30 minutes.

Our Recommendations

It is important to use a stainless steel skillet when making caramelized onions. This will give you lots of those delicious brown bits (called fond) that are bursting with flavor. The skillet that I use is the Calphalon 12″ skillet. It was one of my first kitchen splurges.

Stainless Steel Calphalon Skillet

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