Pickled Onion Rings

Quick pickled onion rings are the easiest upgrade you can make to a humble sandwich. A halved onion sliced into rings, a hot-water bath to take down the harshness, and a sweet-tart brine spiked with a couple of dashes of hot sauce are all it takes. Two days in the fridge and you’ve got a tangy, mildly spicy condiment that lasts two months.

That boiling water step is the secret. Pouring boiling water over the raw onion rings before brining wilts them just enough to tame the sharp sulfur bite without cooking them through. Drained and re-jarred, they’re ready to absorb the brine without any of that aggressive raw-onion harshness.

Use a sweet onion like Vidalia or Walla Walla for a milder pickle, or a regular yellow onion if you want more bite. Slicing them thin is key. Thick rings stay crunchy but never fully take on the brine. A mandoline or a sharp knife and a steady hand both work.

White vinegar gives you the classic sharp tang. Apple cider vinegar is fruitier and softer. Either works beautifully here.

Already a knockout on a hamburger or stirred into egg salad. Try them with sharp cheddar on rye next.

Pro Tips

• Slice the onion paper-thin for the best brine penetration and texture.
• Use a wide-mouth jar so the rings stack flat and stay submerged.
• Save the leftover brine. It makes a wickedly good base for a quick salad dressing.
• Keep the jar in the fridge at all times. Room temperature pickles spoil quickly.

Variations

• Add a teaspoon of mustard seed and a small bay leaf for a more savory pickle.
• Stir a quarter teaspoon of turmeric into the brine for a vibrant golden color.
• Use red onion for a stunning pink pickle that turns brilliant magenta in the brine.