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 down the cider to two-thirds of its original quantity.
Stew the apples
Pare, core, and slice enough apples to cover the cider.
Boil slowly, stirring often, until the apples are tender.
Remove the apples with a perforated skimmer, draining well.
Add more apples and stew until soft.
Combine and finish
Combine all in a tub or large crock, cover, and let stand for twelve hours.
Return to the kettle and boil down, stirring continuously until thick and brown.
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).
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 reduced, concentrating its sugars and flavor into the butter.
- Apples
- Break down into a soft pulp that thickens the butter and adds body and sweetness.
The step that matters
Boil down the final mixture while stirring continuously. As water evaporates, sugars concentrate and can scorch on the bottom of the kettle. Constant stirring prevents burning and lets the mixture thicken and brown evenly.
“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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