How to Caramelize Onions
Learn how to caramelize onions perfectly every time. This basic cooking skill is easy, and caramelized onions add so much flavor to recipes.Step-by-step photos can be seen below the recipe card.
Servings: 4 people
Ingredients
- 1½ tablespoons extra-virgin olive oil
- 2 tablespoons unsalted butter (¼ stick)
- 1 pound yellow onions peeled and thinly sliced
- 1 teaspoon fresh thyme leaves
- ¼ teaspoon kosher salt
- ⅛ teaspoon freshly ground black pepper
Instructions
- Add the oil and butter to a medium-large skillet set over medium-high heat.1½ tablespoons extra-virgin olive oil, 2 tablespoons unsalted butter
- Once the butter is melted, add the onion, thyme, salt, and black pepper.1 pound yellow onions, 1 teaspoon fresh thyme leaves, ¼ teaspoon kosher salt, ⅛ teaspoon freshly ground black pepper
- Cook until the onions start to turn brown in spots, about 5 minutes, stirring frequently.
- Turn the heat down to low, cover the skillet, and cook 15 minutes more, stirring occasionally. Add a splash of water as necessary if the onions start to stick to the pan or if the pan starts to get too dark.
Video
Notes
Storage: Store caramelized onion in an airtight container in the refrigerator for up to 1 week or in the freezer for up to 3 months.
Nutrition
Serving: 0.25pounds | Calories: 143kcal | Carbohydrates: 11g | Protein: 1g | Fat: 11g | Saturated Fat: 4g | Polyunsaturated Fat: 1g | Monounsaturated Fat: 5g | Trans Fat: 0.2g | Cholesterol: 15mg | Sodium: 151mg | Potassium: 171mg | Fiber: 2g | Sugar: 5g | Vitamin A: 201IU | Vitamin C: 9mg | Calcium: 30mg | Iron: 0.4mg