Name: Salpicon Royal
Ingredients: ½ ounce good butter; 6 mushrooms, diced; 1 truffle, diced; ½ pint good béchamel sauce; ½ ounce crawfish butter

Why it works: Mushroom and truffle are a kitchen classic. They rank in the top 4% of all ingredient pairs, and cooks put them together in 1,900 recipes. Both carry 2,4-nonadienal, which smells fatty, green. The science ↓

Salpicon Royal

Ingredients

Directions

Prepare the filling

Cut blanched sweetbread into small pieces.
In a saucepan, melt butter and add sweetbread, mushrooms, and truffle.

Make the sauce

Thicken with béchamel sauce and cook on low heat for 5 minutes, tossing gently.
Stir in crawfish butter and mix well.

Recipe from a historical cookbook (Internet Archive).

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.

Mushroom + truffletop 4% of all pairs

Smell alikemoderate

Cooked together1,900 recipes

Shared aroma: 2,4-nonadienal (fatty, green).
Butter + mushroomtop 7% of all pairs

Smell alikemoderate

Cooked together12,525 recipes

Shared aroma: trans-2-decenal (waxy, orange).
Butter + truffletop 11% of all pairs

Smell alikemoderate

Cooked together2,209 recipes

Shared aroma: nonanal (fat, citrus).
Butter + saucetop 15% of all pairs

Smell alikelow

Cooked together15,338 recipes

Shared aroma: ethanol (alcoholic, ethereal).
Mushroom + saucetop 19% of all pairs

Smell alikelow

Cooked together4,480 recipes

Shared aroma: ethanol (alcoholic, ethereal).

Butter and sauce barely smell alike, yet cooks put them together in 15,338 recipes: they work on texture and structure more than aroma.

Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs

What each ingredient does

Butter: Carries the flavour of the dish and gives the mixture richness and a silky mouthfeel.
Mushrooms: Release moisture as they cook and add earthy savoury flavour.
Truffle: Adds a concentrated, aromatic luxury flavour to the mixture.
Béchamel sauce: Thickens the mixture and binds the pieces together in a creamy sauce.
Crawfish butter: Adds a shellfish aroma and flavour that enriches the sauce.

The step that matters

Thickening with béchamel on low heat. Béchamel is a starch-thickened sauce that can scorch or stick to the pan at high heat, and it can turn lumpy if it is not stirred. Cooking gently over low heat while tossing keeps the sauce smooth and the sweetbread pieces intact.

“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.