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 ↓
Savoy Cake
Ingredients
Directions
The book says “a slow oven”. The 300°F (150°C) in the steps is the modern equivalent, not the book's own figure.
Prepare
Beat the egg yolks and sugar with a wooden spoon for 30 minutes.
Whisk the egg whites until stiff and white.
Gently fold the egg whites into the yolk and sugar mixture a little at a time.
Add the dried flour and grated lemon rind, mixing until combined.
Prepare the moulds
Grease the moulds with clarified butter using a small brush.
Mix the fine sugar with the flour.
Coat the greased moulds with this mixture.
Bake
Pour the batter into the prepared moulds.
Bake in a very slow oven at 300°F (150°C).
To check for doneness, insert a knife into the center; if it comes out clean, the cakes are done.
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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Sugar + flourtop 15% of all pairsSmell alikemoderateCooked together92,116 recipes
Shared aroma: phenylacetaldehyde (hawthorne, honey).
-
Egg + flourtop 15% of all pairsSmell alikelowCooked together106,462 recipes
Shared aroma: isobutyraldehyde (malty, green).
-
Lemon + buttertop 16% of all pairsSmell alikemoderateCooked together41,227 recipes
Shared aroma: 3-hexenal (apple, fruity).
-
Flour + lemontop 17% of all pairsSmell alikemoderateCooked together30,404 recipes
Shared aroma: isobutyraldehyde (malty, 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
- Egg yolks
- Provide richness and tenderness through fat and emulsifying lecithin in the batter.
- Egg whites
- Whipped to stiff foam, they give the cake its light, airy structure as they set.
- Sugar
- Sweetens the cake and helps stabilise the beaten yolks and whites.
- Flour
- Forms the set crumb structure that holds the cake together as it bakes.
The step that matters
Folding the egg whites into the yolk mixture. Whipped whites hold air that gives the cake its lift. Folding gently, a little at a time, keeps that air from collapsing, so the cake rises and stays light.
Swap the lemon
How well each one fits the dish's main ingredients (sugar, egg, flour, butter):
- Raisinfits better
- Vanillafits better
- Figfits about as well
- Lemonthe original
Fit is the average pairing score against sugar, egg, flour, butter. 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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