Pickled Onions

The flavor team

The pairs that carry this dish. Each one is judged two ways: how much their aromas overlap, and how often cooks already put them together.

1. Onion + vinegartop 14% of all pairs
   Smell alikemoderate
   Cooked together18,226 recipes

   Shared aroma: acetic acid (sour, vinegar).

2. Egg + vinegartop 33% of all pairs
   Smell alikelow
   Cooked together12,922 recipes

   Shared aroma: acetic acid (sour, vinegar).

3. Onion + eggtop 34% of all pairs
   Smell alikelow
   Cooked together23,333 recipes

   Shared aroma: 2,4-decadienal (seaweed).

Egg and vinegar barely smell alike, yet cooks put them together in 12,922 recipes: they work on texture and structure more than aroma.

Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs

What each ingredient does

Small white button onions

Provide the main vegetable that becomes crisp-tender and tangy once pickled.

Boiling brine

Salts the onions, drawing out moisture and firming their texture before pickling.

Vinegar

Provides the acidity that preserves the onions and gives them their sharp flavor.

The step that matters

Swap the onion

How well each one fits the dish's main ingredients (egg, vinegar):

1. Cucumberfits better
2. Mustardfits better
3. Capsicumfits better
4. Onionthe original

Fit is the average pairing score against egg, vinegar. Candidates are from the same food group and used in at least 100 recipes.