Why it works: Flour and butter are a kitchen classic. They rank in the top 12% of all ingredient pairs, and cooks put them together in 124,287 recipes. Both carry isobutyraldehyde, which smells malty, green. The science ↓
Nut Wafers
Ingredients
Directions
The book says “a moderately slow oven”. The 300°F (150°C) in the steps is the modern equivalent, not the book's own figure. The book gives no cooking times; the times in the steps were added in transcription, so check for doneness rather than trusting the clock.
Prepare
Preheat the oven to 300°F (150°C).
In a bowl, mix together brown sugar, chopped nuts, flour, butter, and beaten egg.
Shape and bake
Drop spoonfuls of the mixture onto well-oiled baking pans, leaving space for spreading.
Bake until set, about 15-20 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 + buttertop 12% of all pairsSmell alikelowCooked together124,287 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Nuts + flourtop 13% of all pairsSmell alikemoderateCooked together1,180 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Sugar + flourtop 15% of all pairsSmell alikemoderateCooked together92,116 recipes
Shared aroma: phenylacetaldehyde (hawthorne, honey).
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Flour + eggtop 15% of all pairsSmell alikelowCooked together106,462 recipes
Shared aroma: isobutyraldehyde (malty, green).
-
Butter + eggtop 17% of all pairsSmell alikemoderateCooked together118,967 recipes
Shared aroma: decanal (soap, orange peel).
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
- Brown sugar
- Adds sweetness and moisture, and helps the wafers brown as they bake.
- Chopped nuts
- Provide the main texture and flavour, adding crunch to the wafers.
- Egg
- Binds the mixture together and helps it set as it bakes.
- Flour
- Adds a little structure so the mixture holds its shape while baking.
- Butter
- Adds fat and richness, and melts to help the wafers spread.
The step that matters
Leave space between the spoonfuls. As the butter melts and the sugar dissolves, the mixture spreads considerably in the oven. Spacing the drops keeps the wafers from merging into one sheet and lets each one bake evenly.
Swap the nuts
How well each one fits the dish's main ingredients (sugar, flour, butter, egg):
- Almondfits better
- Macadamia nutfits better
- Chestnutfits better
- Nutsthe original
Fit is the average pairing score against sugar, flour, butter, 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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