Why it works: Butter and sugar are a kitchen classic. They rank in the top 17% of all ingredient pairs, and cooks put them together in 98,233 recipes. Both carry guaiacol, which smells smoky, sweet. The science ↓
To Preserve Butter
Ingredients
Directions
Press out the liquid from the butter.
Work in the salt, loaf sugar, and saltpetre.
Pack the mixture tightly into a container.
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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Butter + sugartop 17% of all pairsSmell alikemoderateCooked together98,233 recipes
Shared aroma: guaiacol (smoky, sweet).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Butter
- Forms the fat base, so the preserved result is rich and spreadable.
- Salt
- Draws out moisture and slows spoilage by discouraging microbial growth.
- Loaf sugar
- Adds a subtle sweetness that balances the salt.
- Saltpetre
- Acts as a curing agent that helps preserve the butter and inhibit spoilage microbes.
The step that matters
Press out the liquid from the butter.. Water left in the butter can promote microbial growth and spoilage, so removing as much liquid as possible helps the preserve keep well.
“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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