How to Caramelize Onions
These caramelized onions are deeply golden, sweet, and jammy. Perfect for soups, sandwiches, dips, and more.
Servings: 4 servings
Ingredients
- ¼ cup unsalted butter
- 1 tablespoon olive oil
- 2 pounds yellow onions cut in half lengthwise and sliced ¼ inch
- 1 teaspoon sugar
- kosher salt to taste
- black pepper to taste
Instructions
- Melt butter and olive oil in a large pan over medium-high heat.
- Add onions and stir to coat evenly.
- Sprinkle it with sugar and spread it into an even layer.
- Cook, stirring occasionally, until softened, about 15 minutes.
- Continue cooking, stirring every few minutes, until deep golden brown and jammy, about 30–45 minutes more.
- Remove from heat and season with salt and pepper.
Notes
- Yield – About 1 cup caramelized onions.
- Flavor Tips – Add balsamic vinegar at the end for extra depth.
- Technique – Keep heat moderate and stir consistently to avoid burning.
- Storage – Refrigerate up to 5 days or freeze up to 2 months.
Nutrition
Calories: 227kcal | Carbohydrates: 22g | Protein: 3g | Fat: 15g | Saturated Fat: 8g | Polyunsaturated Fat: 1g | Monounsaturated Fat: 6g | Trans Fat: 1g | Cholesterol: 31mg | Sodium: 100mg | Potassium: 335mg | Fiber: 4g | Sugar: 11g | Vitamin A: 359IU | Vitamin C: 17mg | Calcium: 56mg | Iron: 1mg