Alpha Gal Friendly 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 kosher salt — all plant-based pantry staples with zero hidden animal-derived additives to stress over. For anyone navigating alpha-gal syndrome, that matters more than most people realize, since mammalian byproducts can sneak into the most unexpected places, including store-bought condiments and jarred pickles. Here, every single ingredient is straightforward and safe, from the peppercorns to the optional pinch of red pepper flakes. The hot brine works fast, turning the onions a gorgeous fuchsia pink within minutes and delivering that perfect balance of sharp, sweet, and just a little spicy. Pile them onto tacos, grain bowls, sandwiches, or grilled fish and watch them disappear. Once you have a jar of these 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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