
Caramelized onions are one of those kitchen transformations that feel almost magical โ raw, sharp slices slowly coaxing out their natural sugars over low heat until they collapse into something deeply golden, jammy, and rich. The beauty here is that every bit of sweetness comes entirely from the onions themselves, with zero added sugar involved. Avocado oil keeps things clean and paleo-friendly, and a pinch of sea salt helps draw out moisture so the caramelization process can really do its thing. The optional splash of balsamic vinegar at the end adds a subtle tang and a gorgeous glossy finish without tipping the sugar balance. Patience is the only real ingredient you need to bring โ low, slow heat and regular stirring are what turn a humble pile of onions into something you'll want to put on everything. Pile them onto burgers, stir them into soups, or serve them alongside roasted meats for an instant upgrade that tastes far more indulgent than it has any right to be.
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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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