Caramelized Onion Recipe

caramelized onion recipe

Caramelized Onions

caramelized onion recipe

Caramelizing onions is an essential skill for any cook. This recipe will show you how to make caramelized onions that are sweet and earthy every single time.

Total: 1 hour 15 minutes

Yield: Makes about ½ cup

Ingredients:

  • 2 large yellow onions, peeled (about 1 pound)
  • 2 tablespoons unsalted butter
  • Kosher salt
  • Low-sodium chicken broth or water (for pan; optional)

Instruction:

  1. Halve both onions through root end. Using the tip of your knife, cut a V-shaped notch around root to remove it (this will ensure that all slices separate when you cut the onion).
  2. Place 1 onion half on your cutting board so root end is facing you, then thinly slice onion lengthwise, starting at one side and working all the way to the other (so your knife runs through the root halfway through, not starting or ending at the root end). You’re going for slices that are ¼”–⅛” thick.
  3. Repeat same slicing procedure for remaining onion halves. It’s a lot of onion! But it will cook down quite a bit, so it’s best to start with a large quantity.
  4. Heat 2 Tbsp. butter in a large saucepan over medium until melted and sizzling. You can use a skillet to cook the onions, but a pan with high sides will keep the onions from flipping out onto your stove. Using a pan that also has a wide base gives water room to evaporate, allowing the onions to caramelize rather than steam.
  5. Instead of dumping in all of the onions at once, which would fill the pot and make it hard to stir (which would then cause the ones on the bottom to cook faster), start by adding just a couple of large handfuls to the pot. Cook, stirring, until onions are soft and starting to turn translucent, 1–2 minutes. Stir in a few more handfuls of onion and repeat cooking and stirring process until you’ve added all the onions. Season with a pinch of salt.
  6. Reduce heat to medium-low and continue to cook onions, stirring every few minutes to prevent them from sticking and coloring too much in any one place, until blonde-colored, 15–20 minutes. This is the point of doneness for French onion soup! If you feel like onions are getting too brown around the edges or they’re sticking, reduce your heat a bit.
  7. If you’re going for onions that are both softer and more caramelized (say for a patty melt or onion dip), keep cooking, stirring on the regular, until onions are unmistakably golden brown, another 15–20 minutes. Because most of the water has cooked off at this point, there might be some bare spots where the pot could start to burn. If this happens, stir in a splash of broth or water. The liquid will dissolve the cooked-on bits, which the onions will re-absorb.
  8. For extra-dark onions, the kind that make a great burger topping, cook until they start to almost blacken around the edges and go slightly crisp, another 10–15 minutes. This requires constant attention so they don’t burn. No one said caramelized onions were quick!
  9. Let onions cool in the saucepan, then use or transfer to an airtight container and chill. They will keep up to 1 week. Editor’s note: This recipe was originally published on August 3, 2017.

How to Caramelize Onions Like a Pro | Food Network

FAQ

What is the trick to caramelizing onions?

Add sugar: some cooks swear by adding a pinch of sugar to enhance the onions’ sugar content and help them caramelize faster. Add baking soda: dissolve a 1/8 teaspoon baking soda in 1 tablespoon of water and add the mixture to the onions toward the end of cooking (about 15 to 20 minutes in).

Is it better to caramelize onions with butter or olive oil?

While you can make caramelized onions with only one of either butter or oil, the best result will be if you use a bit of both. If you have to choose just one, choose a high quality oil (extra virgin olive oil or avocado oil). Cooking in only butter may burn the onions too quickly because it has a lower smoke point.

Should you add sugar when caramelizing onions?

If you need to caramelize onions quickly, adding sugar or a pinch of baking soda (to raise the pH level and help them brown quicker) can help to speed up the caramelization process but truly they aren’t a dish that cooks up quickly. If using baking soda I’d suggest about 1/4 tsp per pound of raw onions.

What’s the difference between caramelized and sauteed onions?

The main difference between sauteed onions and caramelized onions is the cooking time. Caramelized onions are cooked at a lower temperature, for a longer period of time, resulting in super sweet, tender onions.

About the author

Helen is an author and editor at helenbackcafe.com, who has a passion for writing about recipes. She loves to experiment with different ingredients and cooking techniques to create delicious and unique dishes.

Among all the foods, pizza holds a special place in her heart, and she loves exploring different variations and toppings to create the perfect slice. Through her writing, Helen hopes to inspire others to get creative in the kitchen and share their love for food with the world.

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