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How to Caramelize Onions
Caramelized onions, with their sweet and savory flavor profile, are a versatile addition to countless dishes, elevating everything from sandwiches to soups. Humble raw onion slices undergo the slow, gorgeous caramelization process and turn into golden, melt-in-your-mouth goodness. Learn my top tips for the best caramelized onions!
Prep Time
10 mins
Cook Time
10 mins
Additional Time
30 mins
Servings: 8 servings
Calories: 61 kcal
Course:
Condiments
Cuisine:
American
Ingredients
- 2 large onions about 1 ½ lbs. / 24 oz.
- 4 tablespoons unsalted butter
- Large pinch of kosher salt
Instructions
- Slice the onion into very thin rounds using a sharp knife or a mandoline slicer.
- Melt the butter in a nonstick skillet over medium heat. I like to use a light-bottomed pan when I can to keep an eye on the caramelization process.
- When the butter is bubbling, add the onion and season with a healthy pinch of salt. This will encourage the onions to release their juices, which will speed up the process.
- Move the onion around the pan with a wooden spoon, cooking it down until it turns into a light brown color. It will become jammy and sticky. (This will take between 30-40 minutes, just depending on your stovetop and how high of a heat you feel comfortable caramelizing with.) You may lower the heat as the onions begin to caramelize so that they don’t crisp up.
- Let cool and then use.
Cup of Yum
Nutrition Information
Serving
1 serving
Calories
61kcal
(3%)
Carbohydrates
3g
(1%)
Protein
0.4g
(1%)
Fat
6g
(9%)
Saturated Fat
4g
(20%)
Polyunsaturated Fat
0.2g
Monounsaturated Fat
1g
Trans Fat
0.2g
Cholesterol
15mg
(5%)
Sodium
2mg
(0%)
Potassium
42mg
(1%)
Fiber
0.5g
(2%)
Sugar
1g
(2%)
Vitamin A
175IU
(4%)
Vitamin C
2mg
(2%)
Calcium
8mg
(1%)
Iron
0.1mg
(1%)
Nutrition Facts
Serving: 8servings
Amount Per Serving
Calories 61
% Daily Value*
| Serving | 1 serving | |
| Calories | 61kcal | 3% |
| Carbohydrates | 3g | 1% |
| Protein | 0.4g | 1% |
| Fat | 6g | 9% |
| Saturated Fat | 4g | 20% |
| Polyunsaturated Fat | 0.2g | 1% |
| Monounsaturated Fat | 1g | 5% |
| Trans Fat | 0.2g | 10% |
| Cholesterol | 15mg | 5% |
| Sodium | 2mg | 0% |
| Potassium | 42mg | 1% |
| Fiber | 0.5g | 2% |
| Sugar | 1g | 2% |
| Vitamin A | 175IU | 4% |
| Vitamin C | 2mg | 2% |
| Calcium | 8mg | 1% |
| Iron | 0.1mg | 1% |
* Percent Daily Values are based on a 2,000 calorie diet.