Why it works: Fish and milk are a kitchen classic. They rank in the top 13% of all ingredient pairs, and cooks put them together in 1,432 recipes. Both carry 4-heptenal, which smells creamy, biscuit. The science ↓
Roes, Salted
Ingredients
Directions
Prepare the roes
Wash the roes in milk and water.
Wash the roes in cold water, removing all fibre.
Drain thoroughly and sprinkle ¼ pound of coarse sea salt for each 1½ pounds of roes.
Let them sit in the brine for 2 days, turning occasionally.
Dry and press
Place on a board in front of a fire, about 1 yard away, for 10-12 hours until dry.
Crush well with a weight and press into a dry jar.
Cure and store
Add 12 drops of spirit of nitre and enough pounded saltpetre to cover a sixpence for each 1½ pounds of roes.
Cover the jar with writing paper spread with cold lard, tie with wash‑leather, and store in a warm place.
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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Fish + milktop 13% of all pairsSmell alikemoderateCooked together1,432 recipes
Shared aroma: 4-heptenal (creamy, biscuit).
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Roe + fishtop 16% of all pairsSmell alikelowCooked together118 recipes
Shared aroma: 1-octen-3-ol (mushroom, earthy).
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Milk + spirittop 27% of all pairsSmell alikelowCooked together100 recipes
Shared aroma: ethyl butyrate (apple, fruity).
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Roe + milktop 32% of all pairsSmell alikelowCooked together32 recipes
Shared aroma: 1-octen-3-ol (mushroom, earthy).
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Fish + spirittop 42% of all pairsSmell alikelowCooked together4 recipes
Shared aroma: linalool (floral, citrus).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Roes from fish about to spawn
- Form the main body of the dish, becoming firm and concentrated once salted and dried.
- Coarse sea salt
- Draws out moisture and seasons the roes, helping preserve them during the brine.
- Spirit of nitre
- Acts as a curing agent that helps preserve the roes and fix their colour.
- Pounded saltpetre
- Serves as a curing agent that aids preservation during long storage.
- Cold lard
- Forms a fat seal over the surface that limits contact with air.
The step that matters
Drying by the fire. Roes left too long near heat can harden or scorch, while too little drying leaves moisture that encourages spoilage. Checking the roes until they are dry, without overheating, keeps them preserved and tender.
“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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