Print

Caramelized Onions

Delicious close up shot of caramelized onions

Sweet and savory, caramelized onions are a versatile ingredient that adds depth and richness to countless dishes. This simple recipe yields perfectly golden and tender onions, ideal for topping burgers, pizzas, or enhancing soups and dips.

Ingredients

Scale
  • 2 large yellow onions, thinly sliced
  • 2 tablespoons olive oil
  • 1 tablespoon butter
  • 1/2 teaspoon salt
  • 1/4 teaspoon black pepper
  • 1 tablespoon balsamic vinegar (optional)

Instructions

  1. Heat olive oil and butter in a large skillet over medium-low heat.
  2. Add sliced onions, salt, and pepper to the skillet.
  3. Cook, stirring occasionally, for 30-45 minutes, or until the onions are deeply golden brown and very soft. Reduce heat if necessary to prevent burning.
  4. If using, stir in balsamic vinegar during the last 5 minutes of cooking. This adds a tangy sweetness to the onions.
  5. Remove from heat and let cool slightly before using.

Notes

Caramelized onions can be stored in an airtight container in the refrigerator for up to 5 days. They are delicious on grilled cheese sandwiches, in omelets, or as a topping for crostini.