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Pickled Red Onion

By epicurious · From Open Recipes · 6 ingredients
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Pickled Red Onion

Why it works: Onion and pepper are a kitchen classic. They rank in the top 11% of all ingredient pairs, and cooks put them together in 68,474 recipes. Both carry 2-isopropyl-3-methoxypyrazine, which smells earthy, pea. The science ↓

Pickled Red Onion

Makes 4 servings

Ingredients

Directions

Step-by-step directions aren't available for this recipe. See the full recipe at the source →

Nutrition, whole recipe (rough)

104Calories
2 gProtein
0 gFat
24 gCarbs

Counts 4 of 5 ingredients. The other 1 aren't in our nutrition table and add nothing above, so the real totals are higher.

What these numbers assume: 4 portions
IngredientPortion assumedkcal
Sugar1 tbsp (12.5g) granulated49
Onion1 medium (110g)44
Chili1 tsp (2.7g)8
Vinegar1 tbsp (15ml) distilled3
Waternot in our table0

One typical portion per ingredient; the recipe's quantities are not counted. A rough guide only, not for medical or dietary planning.

By epicurious. Recipe from Open Recipes.

Explore the science

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 + peppertop 11% of all pairs
    Smell alikemoderate
    Cooked together68,474 recipes

    Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).

  2. Vinegar + oniontop 14% of all pairs
    Smell alikemoderate
    Cooked together18,226 recipes

    Shared aroma: acetic acid (sour, vinegar).

  3. Vinegar + peppertop 14% of all pairs
    Smell alikemoderate
    Cooked together27,814 recipes

    Shared aroma: 4'-methylacetophenone (bitter almond).

  4. Vinegar + sugartop 15% of all pairs
    Smell alikemoderate
    Cooked together20,806 recipes

    Shared aroma: beta-damascenone (apple, rose).

  5. Sugar + peppertop 32% of all pairs
    Smell alikelow
    Cooked together19,401 recipes

    Shared aroma: 2-nonenal (fatty, green).

Sugar and pepper barely smell alike, yet cooks put them together in 19,401 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

Swap the onion

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

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

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