Why it works: Cider and apple are a kitchen classic. They rank in the top 2% of all ingredient pairs, and cooks put them together in 1,238 recipes. Both carry 1-octen-3-one, which smells mushroom, metallic. The science ↓
Apple Butter
Ingredients
Directions
Reduce the cider
Boil 12 gallons of cider down to 4 gallons.
Use two kettles: keep one filled while the other boils down.
Cook the apples
Pare, core, and quarter the apples.
Add the apples to the cider and boil for 3 to 4 hours.
Stir continuously to prevent burning.
Sweeten and seal
After 4 gallons of apple butter is made, add 10 pounds of sugar and boil for 1 hour.
Just before removing from heat, add ground cloves or cinnamon if desired.
Pour into gallon jars and seal with melted beef suet.
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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Cider + appletop 2% of all pairsSmell alikemoderateCooked together1,238 recipes
Shared aroma: 1-octen-3-one (mushroom, metallic).
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Apple + clovetop 6% of all pairsSmell alikemoderateCooked together2,774 recipes
Shared aroma: ethyl octanoate (fruity, wine).
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Cider + clovetop 14% of all pairsSmell alikelowCooked together1,683 recipes
Shared aroma: ethyl octanoate (fruity, wine).
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Clove + beeftop 18% of all pairsSmell alikemoderateCooked together5,462 recipes
Shared aroma: cuminaldehyde (Spicy, cumin).
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Apple + sugartop 18% of all pairsSmell alikelowCooked together16,478 recipes
Shared aroma: beta-damascenone (apple, rose).
Apple and sugar barely smell alike, yet cooks put them together in 16,478 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
- Cider
- Provides the liquid that is boiled down, concentrating its flavor into the butter.
- Apples
- Break down during long cooking to form the thick, spreadable body of the butter.
- Sugar
- Adds sweetness and, as it cooks in, helps thicken the butter and give it body.
The step that matters
Stirring continuously. Thick, sugar-rich fruit mixtures scorch easily on the bottom of the kettle during long boiling, and constant stirring prevents the burnt flavor that would spoil the butter.
Swap the clove
The recipe marks clove as optional. How well each one fits the dish's main ingredients (cider, apple, sugar, beef):
- Cinnamonfits better
- Clovethe original
- Gingerfits about as well
- Allspicefits less well
Fit is the average pairing score against cider, apple, sugar, beef. 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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