Why it works: Flour and sugar are a kitchen classic. They rank in the top 15% of all ingredient pairs, and cooks put them together in 92,116 recipes. Both carry phenylacetaldehyde, which smells hawthorne, honey. The science ↓
Economical Preparation of Yeast
Ingredients
Directions
Make the starter
Thicken 2 quarts of water with 4 ounces of fine flour and boil for 30 minutes.
Sweeten the mixture with 3 ounces of brown sugar.
When almost cold, pour it into an earthen jug with 4 tablespoons of baker's yeast.
Place the jug near the fire for 1 day to ferment.
Finish and store
Pour off the thin liquid from the top.
Shake the remainder.
Strain it through a sieve.
Store in a cool cellar to keep it sweet.
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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Flour + sugartop 15% of all pairsSmell alikemoderateCooked together92,116 recipes
Shared aroma: phenylacetaldehyde (hawthorne, honey).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Fine flour
- Thickens the water into a starchy base that gives the yeast something to feed on.
- Brown sugar
- Provides sweetness and readily fermentable sugar for the yeast to convert into gas and flavor.
- Baker's yeast
- Drives the fermentation that makes the starter active and bubbly.
The step that matters
Placing the jug near the fire to ferment. Yeast works best at a warm, steady temperature. Too cold and fermentation stalls; too hot and the yeast can be killed or the mixture can sour off-flavors. Keep it warm but not overheated.
“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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