Gelatin Free Classic Pickled Red Onions
Tangy, jewel-bright, and endlessly versatile, these pickled red onions are the kind of condiment that quietly transforms every meal they touch. The brine is a simple mix of apple cider vinegar, water, sugar, and salt — no gelatin, no pectin, no stabilizers of any kind — just pantry staples doing exactly what they're supposed to do. That matters more than you might think, since plenty of store-bought pickled products sneak in gelling agents or additives that aren't always obvious on the label. Here, the onions do all the work themselves, softening in the hot brine and turning that gorgeous fuchsia pink within minutes. A pinch of black peppercorns adds subtle warmth, and a shake of red pepper flakes gives you a gentle kick if you're into it. They're ready to eat once cooled, but a quick rest in the fridge deepens the flavor considerably. Pile them onto tacos, grain bowls, sandwiches, or cheese boards — honestly, it's hard to find a savory dish they don't improve.
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Learn more →Ingredients
8 servings
- 1 large red onion, very thinly sliced into rings or half-moons
- ¾ cup apple cider vinegar
- ¼ cup water
- 1 tbsp granulated sugar
- 1 tsp kosher salt
- ½ tsp black peppercorns
- ¼ tsp red pepper flakes (optional)
Instructions
- 1
Pack the sliced red onion into a clean 16 oz mason jar, pressing gently so the slices fit snugly without crushing them.
- 2
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 2–3 minutes. Remove from heat.
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