
Slow-cooked until jammy, glossy, and deeply golden, these caramelized onions are the kind of kitchen project that rewards your patience in the most delicious way. The whole process relies on just a handful of clean, whole-food ingredients โ avocado oil, yellow onions, sea salt, and an optional splash of balsamic vinegar โ so there's nothing hidden or processed to second-guess. For anyone navigating legume-related restrictions, this recipe is naturally worry-free, since every ingredient is straightforward and easy to verify. The low-and-slow method is the real secret here: reducing the heat and scraping up those browned bits over 40-plus minutes is what transforms sharp raw onion into something sweet, rich, and almost buttery in texture. A finish of balsamic vinegar takes the flavor even deeper, adding a subtle tang that makes the onions feel almost restaurant-worthy. Pile them onto grilled meat, stir them into roasted vegetables, or use them as a savory topping wherever you want a serious flavor upgrade.
Fig is a food discovery app that helps you find foods and recipes that fit your dietary needs. Whether you have food allergies, intolerances, or follow a specific diet, Fig makes it easy to eat with confidence.
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.
Create a Fig account for step-by-step instructions, access to our full recipe library, and more!
