Why it works: Flour and almond are a kitchen classic. They rank in the top 5% of all ingredient pairs, and cooks put them together in 8,673 recipes. Both carry isobutyraldehyde, which smells malty, green. The science ↓
Neapolitan Paste
Ingredients
Directions
The book says “a moderate oven”. The 350°F (175°C) in the steps is the modern equivalent, not the book's own figure.
Prepare
Blanch and pound the sweet and bitter almonds into a smooth paste, adding cold water as needed to prevent oiling.
In a bowl, combine the flour, sugar, butter, lemon rind, and salt.
Stir in the egg yolks until well mixed.
Work the mixture into a smooth paste and set aside in a cool place for about 1½ hours.
Shape and bake
Roll out the paste thinly and cut into squares or rounds.
Bake in a moderate oven at 350°F (175°C) for about 30 minutes.
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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Flour + almondtop 5% of all pairsSmell alikemoderateCooked together8,673 recipes
Shared aroma: isobutyraldehyde (malty, green).
-
Almond + lemontop 10% of all pairsSmell alikestrongCooked together5,655 recipes
Shared aroma: eucalyptol (eucalyptus, herbal).
-
Butter + almondtop 11% of all pairsSmell alikemoderateCooked together9,245 recipes
Shared aroma: 2,3-pentanedione (butter, sweet).
-
Flour + buttertop 12% of all pairsSmell alikelowCooked together124,287 recipes
Shared aroma: isobutyraldehyde (malty, green).
-
Flour + sugartop 15% of all pairsSmell alikemoderateCooked together92,116 recipes
Shared aroma: phenylacetaldehyde (hawthorne, honey).
Flour and butter barely smell alike, yet cooks put them together in 124,287 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
- All-purpose flour
- Provides the structure that holds the thin, cut paste together.
- Unsalted butter
- Adds fat for a tender, short texture and helps the paste hold together.
- Egg yolks
- Bind the dough and add richness and moisture to the paste.
- Sweet almonds
- Supply the bulk of the almond flavour and body in the paste.
- Castor sugar
- Sweetens the paste and helps it brown lightly in the oven.
The step that matters
Adding cold water to the almond paste. Almonds release oil when ground and warmed. Adding cold water while pounding keeps the paste smooth and prevents the oil from separating out.
Swap the lemon
How well each one fits the dish's main ingredients (flour, sugar, butter, almond, egg):
- Raisinfits better
- Vanillafits better
- Figfits better
- Lemonthe original
Fit is the average pairing score against flour, sugar, butter, almond, egg. 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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