Why it works: Vanilla and chocolate are a kitchen classic. They rank in the top 5% of all ingredient pairs, and cooks put them together in 10,020 recipes. Both carry sotolon, which smells curry, maple. The science ↓
Long Biscuits Iced
Ingredients
Directions
The book gives no oven temperature. The 350°F (175°C) in the steps was added when the recipe was transcribed, as a starting point. The book gives no cooking times either; the times in the steps were added in transcription, so check for doneness rather than trusting the clock.
Prepare the batter
Preheat the oven to 350°F (175°C).
In a bowl, cream together the butter and sugar until light and fluffy.
Add the eggs one at a time, mixing well after each addition.
Stir in the vanilla extract.
In a separate bowl, whisk together the flour, baking powder, and salt.
Gradually add the dry ingredients to the wet mixture, mixing until just combined.
Pipe and bake
Spoon the batter into a piping bag and pipe long, obtuse-pointed shapes onto a baking sheet lined with parchment paper.
Bake for 12-15 minutes or until lightly golden.
Finish
Let cool completely before icing with your choice of icing.
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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Vanilla + chocolatetop 5% of all pairsSmell alikemoderateCooked together10,020 recipes
Shared aroma: sotolon (curry, maple).
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Sugar + vanillatop 8% of all pairsSmell alikelowCooked together35,032 recipes
Shared aroma: beta-damascenone (apple, rose).
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Flour + spinachtop 10% of all pairsSmell alikemoderateCooked together1,564 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Flour + buttertop 12% of all pairsSmell alikelowCooked together124,287 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Flour + vanillatop 12% of all pairsSmell alikemoderateCooked together19,241 recipes
Shared aroma: isobutyraldehyde (malty, green).
Sugar and vanilla barely smell alike, yet cooks put them together in 35,032 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
- Butter
- Creamed with sugar, it traps air and gives the biscuits a tender, rich texture.
- Sugar
- Creams with butter to add sweetness and help create a light, fluffy batter.
- Eggs
- Add structure and binding, helping the batter hold its piped shape while baking.
- All-purpose flour
- Forms the main structure of the biscuits as its proteins set during baking.
- Baking powder
- Releases gas during baking, helping the biscuits rise and become lighter.
The step that matters
Gradually add the dry ingredients to the wet mixture, mixing until just combined.. Overmixing once flour meets liquid develops gluten, which can make the biscuits tough. Stopping as soon as the flour disappears keeps them tender.
Swap the spinach
How well each one fits the dish's main ingredients (flour, sugar, butter, egg, vanilla, chocolate, rose):
- Arrowrootfits better
- Sweet potatofits better
- Capsicumfits better
- Spinachthe original
Fit is the average pairing score against flour, sugar, butter, egg, vanilla, chocolate, rose. 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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