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Caramelized onions in a pan with a spoon.
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Best Caramelized Onions

Learn how to make perfectly caramelized onions with just four simple ingredients to add sweet, savory flavor to all your favorite recipes!
Prep Time5 minutes
Cook Time35 minutes
Total Time40 minutes
Course: Side
Cuisine: American
Keyword: best caramelized onions, caramelized onions, caramelized white onions, perfectly caramelized onions
Servings: 6 servings
Calories: 69kcal

Ingredients

  • 3 white onions large
  • 3 tablespoon avocado oil
  • ¼ teaspoon sea salt
  • 2 teaspoon honey optional

Instructions

  • Slice the onion half and remove the outer layer. Cut onions into thin slices, about ⅛" thick.
    3 white onions
  • Heat the avocado oil in a cast iron skillet over medium heat.
    3 tablespoon avocado oil
  • Once the oil starts to shimmer, add the onions and sauté until soft, about 5 minutes.
  • Sprinkle the salt and honey over the onions and mix well
    ¼ teaspoon sea salt, 2 teaspoon honey
  • Lower the heat to medium-low and continue to cook, stirring every few minutes, for 30 minutes until browned and caramelized. If the onions start to stick to the pan, add a little splash of water to help loosen them up. You may want to add some oil if they continue to stick.

Notes

Tips:
  1. I use avocado oil for caramelizing onions since it has a higher smoke point.
  2. The honey is optional but will add a touch of sweetness if the caramelized onions are being used in a sweeter recipe.
  3. I prefer a cast iron skillet as it will really brown the onions and provide richer flavors compared to nonstick.
  4. The key to caramelized onions is to slowly let them brown while continuing to stir them so they don’t brown. If you aren’t going to be readily available in the kitchen for the duration of the cooking process, I don’t recommend trying to make these!
Storage :  Store leftovers in an airtight container in the fridge for up to 1 week. Or, freeze them for up to 2 months.

Nutrition

Serving: 1serving | Calories: 69kcal | Carbohydrates: 2g | Protein: 0.01g | Fat: 7g | Saturated Fat: 1g | Polyunsaturated Fat: 1g | Monounsaturated Fat: 5g | Sodium: 97mg | Potassium: 2mg | Fiber: 0.01g | Sugar: 2g | Vitamin A: 0.01IU | Vitamin C: 0.05mg | Calcium: 0.3mg | Iron: 0.01mg