Pistachio Free Classic Pickled Red Onions
Tangy, vivid, and endlessly versatile, these pickled red onions are the kind of condiment that quietly transforms every meal they touch. A quick apple cider vinegar brine with a touch of sugar, kosher salt, and black peppercorns is all it takes to turn raw onion slices into something bright, punchy, and almost jewel-like in color. The optional red pepper flakes add a gentle heat that makes the whole jar feel a little more exciting. Because this recipe is built entirely from pantry staples and fresh produce, there's zero concern about hidden tree nuts sneaking in through a pre-made sauce or seasoning blend — every single ingredient is straightforward and easy to verify. The process is refreshingly simple: make the brine, pour it over the onions, and let time do the rest. Pile them onto tacos, grain bowls, sandwiches, or grilled proteins and watch how fast the jar disappears. Once you have a batch in the fridge, you'll wonder how you ever cooked without them.
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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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