Why it works: Mustard and horseradish match in chemistry and in kitchens. They rank in the top 1% of all ingredient pairs, and cooks put them together in 1,832 recipes. Both carry coumarin, which smells sweet, hay. The science ↓
Lemon Mangoes
Ingredients
Directions
Prepare the lemons
Cut a circular slice from the blossom end of each lemon and scoop out the pulp and skin with a teaspoon.
Rinse the insides of the lemon rinds until the water runs clear.
Brine
Soak the rinds in a brine made with ½ pound of salt and 2 quarts of water, stirring often for 3 days.
Change the brine and soak for an additional 3 days.
Fill and pickle
Drain the rinds and fill them with mustard seed, chilies, horseradish, shallots, and ginger.
Sew the cut pieces back onto the lemons and place them in a stone jar.
Pour the boiling pickle made from the lemon juice, vinegar, salt, ginger, white peppercorns, and mace over the lemons.
Transcribed from a scanned cookbook and modernised for today's kitchens. Where the book gave no heat or time, or said "a moderate oven", the temperatures and times here may be modern equivalents rather than the book's own figures.
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.
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Mustard + horseradishtop 1% of all pairsSmell alikestrongCooked together1,832 recipes
Shared aroma: coumarin (sweet, hay).
-
Mustard + shallottop 1% of all pairsSmell alikestrongCooked together859 recipes
Shared aroma: eucalyptol (eucalyptus, herbal).
-
Horseradish + shallottop 1% of all pairsSmell alikestrongCooked together376 recipes
Shared aroma: coumarin (sweet, hay).
-
Lemon + gingertop 5% of all pairsSmell alikestrongCooked together5,154 recipes
Shared aroma: beta-phellandrene (minty, terpene).
-
Lemon + shallottop 6% of all pairsSmell alikestrongCooked together2,523 recipes
Shared aroma: eucalyptol (eucalyptus, herbal).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Lemons
- Provide the main body and acidic juice that the pickle is built around.
- Coarse sea salt
- Draws water out of the rinds and seasons them during the long brine soak.
- Mustard seed
- Adds a sharp, pungent flavor to the filling as the lemons cure.
- Vinegar
- Adds acidity to the boiling pickle, helping preserve the lemons and sharpen their flavor.
The step that matters
Changing the brine and soaking for the full 6 days. The rinds must cure long enough for salt to draw out bitterness and soften them; a fresh brine keeps the salt concentration strong so the cure works evenly.
Swap the mace
How well each one fits the dish's main ingredients (lemon, mustard, horseradish, shallot, ginger, vinegar):
- Capersfits better
- Tarragonfits better
- Turmericfits better
- Macethe original
Fit is the average pairing score against lemon, mustard, horseradish, shallot, ginger, vinegar. Candidates are from the same food group and used in at least 100 recipes.
“What each ingredient does” and “The step that matters” were written by Claude from this recipe’s own method and reviewed in samples by CompKitchen.
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