
Caramelized onions are one of those deeply satisfying kitchen projects that reward patience with something truly magical โ sweet, jammy, and rich in a way that makes almost any dish better. The key here is avocado oil, a clean, heat-stable fat that handles the long, slow cook without breaking down or introducing the off-flavors that refined seed oils can bring to the pan. That matters more than people realize, because most store-bought caramelized onions and even many homemade recipes default to canola or vegetable oil without a second thought. Here, the onions do all the heavy lifting โ low heat, time, and a little patience transform them into something that tastes almost like a condiment and almost like a side dish at the same time. The optional splash of balsamic vinegar at the end adds a glossy, tangy finish that deepens the sweetness without overpowering it. Pile these onto burgers, stir them into soups, spoon them over roasted meat, or eat them straight from the pan โ no judgment.
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Learn more โ6 servings




Heat the avocado oil in a large (12-inch) skillet over medium heat until shimmering.
Add the sliced onions and salt, then stir to coat evenly in the oil. Cook, stirring every 3โ4 minutes, until the onions have wilted and released most of their moisture, about 10 minutes.
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