
Caramelized onions are one of those kitchen transformations that feel almost magical โ a pile of raw sliced onions slowly coaxing into something deeply golden, jammy, and impossibly sweet. This version keeps things beautifully simple, relying on avocado oil, yellow onions, and a pinch of sea salt to do all the heavy lifting over low, patient heat. The optional splash of balsamic vinegar at the end adds a subtle tang that makes the whole thing taste almost like it came from a fancy bistro. Because every ingredient here is whole and plant-based, there's no need to scrutinize labels or worry about sneaky additives that sometimes show up in store-bought versions. The real secret is patience โ those 40-plus minutes of gentle stirring and scraping up the browned bits are what build that rich, complex flavor you can't rush. Pile them onto burgers, stir them into pasta, spoon them over polenta, or eat them straight from the pan with a piece of crusty bread โ honestly, no judgment.
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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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