Why it works: Celery and mustard are a kitchen classic. They rank in the top 2% of all ingredient pairs, and cooks put them together in 4,169 recipes. Both carry guaiacol, which smells smoky, sweet. The science ↓
German Salad Dressing
Ingredients
Directions
Make the base
In a saucepan, combine bouillon, onion, bay leaves, and chopped celery.
Bring to a boil, then stir in arrowroot moistened in cold bouillon.
Cook briefly, strain, and add to beaten egg yolks.
Finish the dressing
Mix in vinegar, olive oil, salt, mustard, and cayenne pepper.
Beat until light and set aside to cool completely.
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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Celery + mustardtop 2% of all pairsSmell alikemoderateCooked together4,169 recipes
Shared aroma: guaiacol (smoky, sweet).
-
Celery + peppertop 5% of all pairsSmell alikestrongCooked together16,012 recipes
Shared aroma: 4'-methylacetophenone (bitter almond).
-
Arrowroot + mustardtop 5% of all pairsSmell alikestrongCooked together22 recipes
Shared aroma: coumarin (sweet, hay).
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Onion + mustardtop 6% of all pairsSmell alikestrongCooked together9,259 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
-
Onion + celerytop 7% of all pairsSmell alikemoderateCooked together18,518 recipes
Shared aroma: guaiacol (smoky, sweet).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Egg yolks
- Emulsify and thicken the dressing, giving it a rich, creamy body.
- Arrowroot
- Thickens the bouillon into a smooth base that sets as it cools.
- Olive oil
- Adds fat and richness, helping the dressing feel smooth and full.
- Vinegar
- Adds acidity that brightens the flavour and balances the richness.
- Bouillon
- Forms the savoury liquid base that carries the other flavours.
The step that matters
Cook the arrowroot base briefly, then add it to the yolks. Arrowroot thickens when heated and loses its thickening power if overcooked or boiled too long. Egg yolks can scramble if added to a very hot liquid, so the base should be strained and cooled slightly before it is stirred into them.
Swap the arrowroot
How well each one fits the dish's main ingredients (onion, celery, egg, vinegar, olive, mustard, pepper):
- Lettucefits better
- Horseradishfits better
- Capsicumfits better
- Arrowrootthe original
Fit is the average pairing score against onion, celery, egg, vinegar, olive, mustard, pepper. 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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