
Slow-cooked until deeply golden and jammy, these caramelized onions are the kind of kitchen project that fills your home with an irresistible savory-sweet aroma. The ingredient list is refreshingly short โ just avocado oil, yellow onions, salt, and an optional splash of balsamic vinegar โ so there's nowhere for unwanted spices or additives to hide. That simplicity is exactly what makes this recipe such a reliable choice when you're navigating a spice sensitivity, since many store-bought or restaurant versions sneak in blends that can be hard to verify. The technique does all the heavy lifting: low, patient heat coaxes out the onions' natural sugars, building rich, complex flavor without any shortcuts. Scraping up those browned bits as you go is the secret to that glossy, deeply caramelized finish. A drizzle of balsamic at the end adds a subtle tang that makes the whole thing feel almost luxurious. Pile them onto burgers, stir them into soups, or eat them straight from the pan โ no judgment here.
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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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