Why it works: Butter and milk are a kitchen classic. They rank in the top 7% of all ingredient pairs, and cooks put them together in 81,283 recipes. Both carry (z)-4-heptenal, which smells biscuit, cream. The science ↓
Sweet Wafers
Ingredients
Directions
Prepare
Preheat the wafer iron.
In a bowl, mix the flour and sugar.
Make the batter
Add the eggs and melted butter, then flavor with lemon.
Gradually add milk until the batter reaches the consistency of sponge cake.
Bake
Pour the batter into the preheated wafer iron and bake until golden.
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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Butter + milktop 7% of all pairsSmell alikemoderateCooked together81,283 recipes
Shared aroma: (z)-4-heptenal (biscuit, cream).
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Flour + buttertop 12% of all pairsSmell alikelowCooked together124,287 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Flour + milktop 14% of all pairsSmell alikelowCooked together78,219 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Flour + sugartop 15% of all pairsSmell alikemoderateCooked together92,116 recipes
Shared aroma: phenylacetaldehyde (hawthorne, honey).
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Lemon + milktop 15% of all pairsSmell alikemoderateCooked together19,053 recipes
Shared aroma: 2-nonenal (fatty, green).
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
- Flour
- Provides the starch and protein that build the wafer's structure as it sets.
- Eggs
- Add structure and richness, helping the batter set firm when heated.
- Sugar
- Adds sweetness and helps the wafer brown as it bakes.
- Butter
- Adds fat for a tender texture and rich flavor.
- Milk
- Hydrates the flour and sets the batter's thickness, like a sponge cake batter.
The step that matters
Adding the milk gradually. Flour absorbs liquid unevenly, so adding milk slowly lets you judge the batter's thickness. Too much liquid at once makes a thin batter that spreads and bakes unevenly.
Swap the lemon
How well each one fits the dish's main ingredients (flour, sugar, egg, butter, milk):
- Vanillafits better
- Raisinfits better
- Figfits better
- Lemonthe original
Fit is the average pairing score against flour, sugar, egg, butter, milk. 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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