Why it works: Lettuce and mustard match in chemistry and in kitchens. They rank in the top 1% of all ingredient pairs, and cooks put them together in 1,356 recipes. Both carry 2-isopropyl-3-methoxypyrazine, which smells earthy, pea. The science ↓
Sweet Bread Salad
Ingredients
Directions
Prepare the sweetbreads
Boil the sweetbreads for 20 minutes.
Drop them into cold milk, then split and fry in butter until brown.
Break the fried sweetbreads into small pieces and mix with lettuce.
Make the dressing
For the dressing, whisk together the egg yolks, vinegar, mustard, and sugar.
Slowly pour in the olive oil while stirring continuously.
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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Lettuce + mustardtop 1% of all pairsSmell alikestrongCooked together1,356 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
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Lettuce + olivetop 5% of all pairsSmell alikestrongCooked together2,580 recipes
Shared aroma: trans-2-hexenal (green, leafy).
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Milk + buttertop 7% of all pairsSmell alikemoderateCooked together81,283 recipes
Shared aroma: (z)-4-heptenal (biscuit, cream).
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Vinegar + mustardtop 7% of all pairsSmell alikemoderateCooked together14,067 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Mustard + olivetop 8% of all pairsSmell alikestrongCooked together5,950 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
- Sweetbreads
- Provide the tender, rich meat that forms the main body of the salad.
- Butter
- Fries the sweetbreads, adding browning and a rich flavor.
- Egg yolks
- Emulsify with the oil to thicken the dressing into a smooth, creamy texture.
- Olive oil
- Provides the fat that, emulsified into the yolks, gives the dressing body.
- Vinegar
- Adds acidity that brightens the dressing and balances the richness of the oil.
- Lettuce
- Adds crisp, fresh bulk that contrasts with the rich fried sweetbreads.
The step that matters
Slowly pour in the olive oil while stirring continuously.. Oil must be added gradually so the egg yolks can emulsify it. Pouring too fast causes the dressing to split into greasy, separated layers.
Swap the lettuce
How well each one fits the dish's main ingredients (milk, butter, egg, vinegar, mustard, sugar, olive):
- Capsicumfits better
- Shallotfits about as well
- Chivefits about as well
- Lettucethe original
Fit is the average pairing score against milk, butter, egg, vinegar, mustard, sugar, olive. 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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