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side shot of a pan with wooden spoon grabbing caramelized onions from pan
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5 from 1 vote

How to Caramelize Onions

A Step-by-step process of how to caramelize onions using 3 simple ingredients and a simple technique for perfectly caramelized onions every time.
Prep Time5 minutes
Cook Time55 minutes
0 minutes
Total Time1 hour
Course: condiment
Cuisine: American
Diet: Gluten Free
Servings: 8
Author: Rena

Equipment

  • Chef's knife
  • cutting board
  • non stick skillet

Ingredients

  • 6 medium yellow onions halved and julienned thin
  • 3 tablespoons extra-virgin olive oil
  • ½ teaspoon sea salt

Instructions

  • In a large cast iron skillet, add the olive oil and the julienned onions. Saute the onions over medium heat for 5 - 6 minutes or until they start to soften.
  • Next, sprinkle the salt over the onions and stir. Reduce the heat to medium-low and let it cook slowly for 20 minutes. then lower the heat to low and let it sauté for another 30 minutes. The key is to not rush it.
  • Stir the onions every 2-3 minutes until the onions start to become soft and golden brown or caramelized.
  • The time it takes for them to caramelize will depend on the thickness of the onion and the amount of heat used.

Notes

    • Time: If the onions are thinly sliced, it may take less time for them to caramelize. it depends on the thickness of the sliced onions.
    • If you prefer the caramelized onion to have a deeper brown color, at the end, higher the heat and stir for a few more minutes until you get the color you need

Nutrition

Calories: 79kcal | Carbohydrates: 8g | Protein: 1g | Fat: 5g | Saturated Fat: 1g | Polyunsaturated Fat: 1g | Monounsaturated Fat: 4g | Sodium: 149mg | Potassium: 121mg | Fiber: 1g | Sugar: 3g | Vitamin A: 2IU | Vitamin C: 6mg | Calcium: 19mg | Iron: 0.2mg