Lupin Free Classic Pickled Red Onions
Tangy, jewel-bright, and impossibly easy to make, these pickled red onions are the kind of condiment that quietly transforms every meal they touch. A sharp apple cider vinegar brine with a touch of sugar and salt is all it takes to turn raw onion slices into something silky, vibrant, and craveable. The optional red pepper flakes add a gentle kick if you want a little heat, but the base recipe is beautifully balanced on its own. For anyone navigating lupin sensitivities, store-bought pickled products and condiments can be a minefield of unexpected additives and shared-facility warnings — making a homemade jar like this a genuinely smart move. Every single ingredient here is straightforward and easy to verify, so you know exactly what you're eating. Pile them onto tacos, grain bowls, sandwiches, or grilled meats and watch how quickly the jar disappears. Once you have a batch in the fridge, you'll wonder how you ever cooked without them.
About FigFig 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 →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.
Want the full recipe?
Create a Fig account for step-by-step instructions, access to our full recipe library, and more!