
Tangy, jewel-bright, and ready to transform just about anything you put them on, these pickled red onions are a condiment worth keeping stocked in your fridge at all times. The brine is a simple mix of apple cider vinegar, water, sugar, and kosher salt โ nothing fussy, nothing hidden. That matters more than you might think, because a surprising number of spice blends and store-bought pickled products sneak in warm spices that can be hard to spot on a label. Here, every single ingredient is visible and intentional, so you know exactly what you're eating. Black peppercorns give a gentle heat, and a pinch of red pepper flakes adds a little kick if you're feeling it. The onions turn a stunning magenta pink as they pickle, making them as gorgeous on a taco or grain bowl as they are on a burger or sandwich. A quick stovetop brine, a mason jar, and about an hour of patience is all it takes.
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Learn more โ8 servings







Pack the sliced red onion into a clean 16 oz mason jar, pressing gently so the slices fit snugly without crushing them.
Combine the apple cider vinegar, water, sugar, and kosher salt in a small saucepan over medium heat, stirring until the sugar and salt are fully dissolved, about 2โ3 minutes. Remove from heat.
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