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Home » Recipes » Blog

How to Caramelize Onions

Published: Jan 27, 2015 · Modified: Jun 25, 2024 by Marisa Moore·

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Yesterday, I posted a recipe for my Caramelized Onion Dip and thought you might want to see how to caramelize onions at home. In my research, I used this tutorial from tthe kitchn. Here’s how it worked out for me.

As much as I love to cook, I had never caramelized onions until now. It took a couple tries but it’s surprisingly easy to create this decadent-tasting creation. (I was stingy with the olive oil on the first try. Learn from my mistakes. Don’t be stingy with the oil.

Heat two tablespoons of olive oil in a stainless steel or cast iron sauté pan over medium heat. Add the sliced raw onions. I used two large sweet onions.

Onions in a pan on marisamoore.com

Stir the onions around in the pan to coat with the oil. Cook over medium heat for about 10 minutes. Do other things. Revisit the onions about every 10 minutes to make sure they are not burning.

Caramelizing Onions 2 on marisamoore.com

They are getting there. Scrape up any of the little brown bits that form on the pan.

Caramelizing Onions 3 on marisamoore.comFor the two large onions, it took about 45 minutes to get to this…

Caramelized onions on marisamoore.com

The onions are done. Deglaze the pan with a little vegetable broth, white wine or water. Cool.

I added a sprinkle of kosher salt to the cooled onions and stored them in the fridge. I used the majority of the caramelized onions to create the dip and added the leftovers to omelets and on roasted green beans later in the week.

You can also use them in these stovetop green beans with caramelized onions and almonds recipe.

I am overly excited about these caramelized onions. I know. But it’s my new favorite addition to the table. Who knows where they will show up next? Pizza, pasta with mushrooms…

P.S. Carla Hall from the The Chew suggests adding baking soda to your onions to make the onions caramelize quicker. Ever try that? Maybe I’ll try it next time.

Onions in a pan on marisamoore.com

Caramelized Onions

Marisa Moore, RDN
This is the stovetop recipe for caramelizing onions.
5 from 1 vote
Print Recipe Pin Recipe
Prep Time 5 minutes mins
Cook Time 45 minutes mins
Total Time 50 minutes mins
Course Side Dish
Cuisine American
Servings 20
Calories 17 kcal

Ingredients
  

  • 2 large onions
  • 2 tablespoon olive oil
  • vegetable broth, water or white wine for deglazing the pan
  • salt, optional

Instructions
 

  • Heat two tablespoons olive oil in a stainless steel or cast iron sauté pan over medium heat. Add the sliced raw onions. I used two large sweet onions.
  • Stir the onions around in the pan to coat with the oil. Cook over medium heat for about 10 minutes. Revisit the onions about every 10 minutes to make sure they are not burning. Scrape up any of the little brown bits that form on the pan.
  • Deglaze the pan with a little vegetable broth, white wine or water. Let cool and refrigerate.

Nutrition

Calories: 17kcalCarbohydrates: 1gProtein: 0.1gFat: 1gSaturated Fat: 0.2gPolyunsaturated Fat: 0.1gMonounsaturated Fat: 1gSodium: 0.5mgPotassium: 16mgFiber: 0.2gSugar: 0.5gVitamin A: 0.2IUVitamin C: 1mgCalcium: 3mgIron: 0.03mg
Tried this recipe?Let us know how it was!

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    5 from 1 vote

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  1. Linda

    September 12, 2024 at 11:20 am

    5 stars
    I tried this last night, the onions came out perfect. And it does take some time but it went by quickly. I made them for the flatbread fig arugula that I am making today.

    Reply

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MARISA MOORE

Hi! I'm Marisa, a registered dietitian nutritionist living in Atlanta, GA. I use this blog to share (mostly) vegetarian recipes, credible nutrition information and a peek into my Southern roots and travels!

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