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The Best Gluten-Free Caramelized Onions

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★★★★★

5 from 1 reviews

The best gf Caramelized Onions are cooked low and slow until they get golden in color and sweet. Caramelized onions add so much flavor with very few ingredients, and not much effort, so long as you know the right secrets. Here’s how to caramelize onions.  The best part is that this amazingly easy recipe is gluten free.

Ingredients

Scale
  • 4 Yellow or Sweet Onion Medium but Large is Preferred
  • 4 Tbsp Butter
  • 1 /2 Tsp Regular Salt or 1 Tsp Kosher Salt
  • 2 Tbsp Olive oil or Canola Oil
  • 1 Tsp White Sugar (Sugar is optional -but it does help with the caramelizing process)

Instructions

  1. Take 4 large yellow onions and slice quite thinly. Do not slice the onions too thick, as they wont caramelize properly.
  2. Melt the butter in a large cast iron pan or stainless steel pan over medium to medium high heat. Some cooktop surfaces cook higher and faster than others. Be mindful of your cooktop surface. You can add Olive Oil or Canola Oil at the same time as the butter. 
  3. Add the onions and sprinkle with salt. Cook the onions for 5 to 10 minutes or until they start to soften. I add a teaspoon of sugar to help with the process. Stir often so they do not brown too quickly or stick to the bottom of the pan.
  4. Reduce the heat to medium low, cover with a lid and continue stirring every 10-12 minutes. The onions will gradually reduce as they are being cooked. The color of the onions will slowly change as they cook. You can add a splash of water or stock if they do stick to the pan. I personally have never had to do that. Continue stirring onions every 10-12 minutes for one hour to an hour and a half.

Notes

  • I have found that this recipe can take anywhere from an hour to an hour and a half.  Be patient.  I promise it is worth the wait.
  • Regular or table salt has smaller grains, so if you added the full teaspoon the onions would wind up tasting too salty.
  • The onions can take anywhere form 60 to 90 minutes to be fully caramelized.

Keywords: Best Caramelized Onions, Gluten-Free, Onions

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