
Caramelized onions are one of those kitchen transformations that feel almost magical โ three large yellow onions go into the pan and emerge an hour later as a deeply golden, jammy, intensely sweet condiment that makes almost everything taste better. Avocado oil does the heavy lifting here, providing a neutral, high-heat-friendly fat that lets the onions develop rich color without any soy-based oils sneaking into the mix. That matters more than you might think, since many store-bought caramelized onion products and restaurant versions rely on blended oils that can include soy. The optional splash of balsamic vinegar at the end is a small move with a big payoff, adding a subtle tang that deepens the savory-sweet complexity and leaves the onions glossy and gorgeous. Patience is the only real skill required โ low, slow heat and regular stirring are what coax out that jammy texture and deep caramel color. Pile them onto burgers, stir them into soups, spoon them over roasted meat, or eat them straight from the pan with zero regrets.
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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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