Why it works: Lettuce and tarragon match in chemistry and in kitchens. They rank in the top 1% of all ingredient pairs, and cooks put them together in 425 recipes. Both carry coumarin, which smells sweet, hay. The science ↓
Ma Yonnaise of Sweetbreads
Ingredients
Directions
Prepare
Clean and boil the sweetbreads for 20 minutes. Remove all skin and fibers, then set aside to cool.
Cut the cooled sweetbreads into small, even dice.
Crisp the lettuce by washing and drying it thoroughly.
In a soup plate, rub the bottom with the cut side of half an onion. Add a little tarragon vinegar.
Assemble
Mix the mayonnaise with the diced sweetbreads.
Rub a small crust of bread with onion and mix it through the sweetbreads.
Arrange the mixture in a mound in a salad bowl, surrounded by a row of lettuce leaves.
Alternatively, use garlic instead of onion.
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 + tarragontop 1% of all pairsSmell alikestrongCooked together425 recipes
Shared aroma: coumarin (sweet, hay).
-
Onion + garlictop 1% of all pairsSmell alikestrongCooked together29,058 recipes
Shared aroma: furaneol (caramel, strawberry).
-
Tarragon + vinegartop 7% of all pairsSmell alikemoderateCooked together2,547 recipes
Shared aroma: isobutyraldehyde (malty, green).
-
Lettuce + garlictop 8% of all pairsSmell alikestrongCooked together1,078 recipes
Shared aroma: coumarin (sweet, hay).
-
Lettuce + oniontop 8% of all pairsSmell alikestrongCooked together3,562 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Sweetbreads
- Provide the tender, meaty main body of the dish once boiled and diced.
- Mayonnaise
- Adds richness and moisture, binding the diced sweetbreads into a creamy mixture.
- Lettuce
- Provides crisp, cool leaves that contrast with the soft, rich sweetbread mixture.
- Tarragon vinegar
- Adds a sharp, acidic note that brightens the rich mayonnaise.
The step that matters
Removing all skin and fibers from the sweetbreads. Skin and fibers stay tough and chewy after boiling, and they spoil the smooth texture of the diced mixture if left in.
Swap the onion
The recipe marks onion as optional. How well each one fits the dish's main ingredients (lettuce, tarragon, vinegar, bread, garlic):
- Mustardfits better
- Shallotfits better
- Cucumberfits better
- Onionthe original
Fit is the average pairing score against lettuce, tarragon, vinegar, bread, garlic. 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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