Why it works: Arrowroot and flour match in chemistry and in kitchens. They rank in the top 2% of all ingredient pairs, and cooks put them together in 525 recipes. Both carry isobutyraldehyde, which smells malty, green. The science ↓
White Oyster Soup
Ingredients
Directions
Prepare the oysters
Open oysters carefully and pour their liquor into a bowl, straining it.
Rinse oysters in their liquor and remove the gills.
Strain the liquor again through a fine sieve and pour it back over the oysters.
Make the soup
Simmer oysters in 2 quarts of pale veal stock for 20 to 30 minutes.
Heat the soup and season it with mace and cayenne.
Strain the stock from the oyster gills into the soup.
Plump oysters in their own liquor without boiling, then add the liquor to the soup.
Stir in 1 pint of boiling cream.
If thickening is needed, mix 1½ ounces of arrowroot with a little milk or cream and stir it into the stock, or blend 4 ounces of butter with 3 ounces of flour and add it to the soup.
Serve
Serve oysters in a tureen and ladle soup over them immediately.
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.
-
Arrowroot + flourtop 2% of all pairsSmell alikestrongCooked together525 recipes
Shared aroma: isobutyraldehyde (malty, green).
-
Oyster + creamtop 17% of all pairsSmell alikemoderateCooked together2,886 recipes
Shared aroma: 1-octen-3-one (mushroom, metallic).
-
Veal + macetop 18% of all pairsSmell alikelowCooked together3,761 recipes
Shared aroma: alpha-pinene (pine, turpentine).
-
Cream + macetop 18% of all pairsSmell alikelowCooked together4,009 recipes
-
Oyster + vealtop 19% of all pairsSmell alikelowCooked together988 recipes
Shared aroma: 2,6-nonadienal (cucumber, green).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Oysters
- Provide the main flavour and tender, briny body of the soup.
- Pale veal stock
- Forms the savoury liquid base that carries the flavour of the soup.
- Boiling cream
- Adds richness and a smooth, silky mouthfeel to the soup.
- Arrowroot
- Thickens the soup into a smooth body without making it cloudy.
- Butter
- Adds richness and, blended with flour, helps thicken the soup.
- Flour
- Thickens the soup when blended with butter into a roux-style liaison.
The step that matters
Plump oysters without boiling. Boiling toughens oyster flesh and makes it shrink and turn rubbery, so the oysters should be heated gently in their own liquor only until plump.
Swap the mace
How well each one fits the dish's main ingredients (oyster, veal, cream, arrowroot, flour):
- Capersfits better
- Turmericfits better
- Nutmegfits better
- Macethe original
Fit is the average pairing score against oyster, veal, cream, arrowroot, flour. 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.
You might also like
The free Flavor Lab newsletter: one surprising pairing a week and the molecular reason it works, in 60 seconds. No spam, unsubscribe anytime.
Prefer an account? Create a free account to save pairings and unlock the full chemistry.
Veal Patties50 recipes
Arrowroot Gruel37 recipes
Mock Oyster Soup21 recipes
Beef, Mutton, or Veal Broth6 recipes