Why it works: Apple and cinnamon are a kitchen classic. They rank in the top 4% of all ingredient pairs, and cooks put them together in 5,598 recipes. Both carry methyl cinnamate, which smells strawberry. The science ↓
Apple Butter
Ingredients
Directions
Prepare the pulp
Quarter the apples and place them in a preserving kettle.
Barely cover the apples with water and boil until soft.
Strain the mixture through a sieve to obtain the pulp.
Cook the butter
Add 2/3 pint of sugar for each pint of pulp, or 1 pint if the apples are very sour.
Boil the mixture slowly for several hours until firm, stirring almost constantly to prevent burning.
If desired, add cinnamon for flavor.
Transfer to stone jars or bowls and cover when cold.
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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Apple + cinnamontop 4% of all pairsSmell alikemoderateCooked together5,598 recipes
Shared aroma: methyl cinnamate (strawberry).
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Sugar + cinnamontop 10% of all pairsSmell alikelowCooked together30,779 recipes
Shared aroma: guaiacol (smoky, sweet).
-
Apple + sugartop 18% of all pairsSmell alikelowCooked together16,478 recipes
Shared aroma: beta-damascenone (apple, rose).
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Crab + sugartop 19% of all pairsSmell alikemoderateCooked together407 recipes
Shared aroma: hexanal (grass, green).
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Apple + crabtop 22% of all pairsSmell alikelowCooked together343 recipes
Shared aroma: 1-octen-3-ol (mushroom, earthy).
Sugar and cinnamon barely smell alike, yet cooks put them together in 30,779 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
- Ripe apples
- Provide the pulp that cooks down into the thick, spreadable body of the butter.
- Sugar
- Sweetens the butter and helps it thicken as the moisture cooks off.
The step that matters
Stirring during the long boil. Apple pulp is high in sugar and thick, so it scorches on the bottom of the kettle easily. Stirring almost constantly prevents burning and keeps the butter smooth and evenly coloured as water evaporates.
Swap the apple
The recipe marks apple as optional. How well each one fits the dish's main ingredients (crab, sugar, cinnamon):
- Raisinfits better
- Vanillafits better
- Lemonfits about as well
- Applethe original
Fit is the average pairing score against crab, sugar, cinnamon. 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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