Why it works: Arrowroot and lemon match in chemistry and in kitchens. They rank in the top 4% of all ingredient pairs, and cooks put them together in 553 recipes. Both carry coumarin, which smells sweet, hay. The science ↓
Snow Cake
Ingredients
Directions
The book gives no oven temperature. The 300°F (150°C) in the steps was added when the recipe was transcribed, as a starting point.
Make the batter
Beat the butter until creamy.
Add the whole egg and mix well.
Incorporate the arrowroot or cornflour, sugar, and lemon juice.
If the mixture is not light enough, add another egg and beat for 30 minutes until it turns white and light.
Bake and serve
Line a flat tin with buttered paper and pour in the batter.
Bake in a slow oven at 300°F (150°C) for 1 to 1.5 hours without allowing it to brown.
Let the cake cool, then cut into small squares and transfer to a flat dish to cool completely.
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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Arrowroot + lemontop 4% of all pairsSmell alikestrongCooked together553 recipes
Shared aroma: coumarin (sweet, hay).
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Butter + lemontop 16% of all pairsSmell alikemoderateCooked together41,227 recipes
Shared aroma: 3-hexenal (apple, fruity).
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Butter + eggtop 17% of all pairsSmell alikemoderateCooked together118,967 recipes
Shared aroma: decanal (soap, orange peel).
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Sugar + buttertop 17% of all pairsSmell alikemoderateCooked together98,233 recipes
Shared aroma: guaiacol (smoky, sweet).
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Sugar + lemontop 18% of all pairsSmell alikelowCooked together53,532 recipes
Shared aroma: 2-nonenal (fatty, green).
Sugar and lemon barely smell alike, yet cooks put them together in 53,532 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
- Arrowroot or cornflour
- Provides the light, tender structure of the cake without adding gluten toughness.
- Butter
- Adds richness and fat that gives the cake a tender, delicate crumb.
- Eggs
- Beaten in to trap air, giving the cake lightness and helping it set.
- Sugar
- Sweetens the cake and helps it brown lightly and stay tender.
- Lemon juice
- Adds acidity that brightens the flavour and balances the sweetness.
The step that matters
Beating the mixture until light and white. Beating incorporates air into the butter and eggs, which is what makes the cake rise and turn light. If the mixture is not beaten enough, the cake will be dense, so the cook should check for a pale, airy texture before baking.
Swap the arrowroot
How well each one fits the dish's main ingredients (sugar, butter, egg, lemon):
- Asparagusfits better
- Leekfits about as well
- Shallotfits about as well
- Arrowrootthe original
Fit is the average pairing score against sugar, butter, egg, lemon. 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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