Why it works: Lemon and sugar are a kitchen classic. They rank in the top 18% of all ingredient pairs, and cooks put them together in 53,532 recipes. Both carry 2-nonenal, which smells fatty, green. The science ↓
Bread Jelly
Ingredients
Directions
Prepare
Cut the crumb of a penny roll into thin slices.
Toast the slices until they are a pale brown on both sides.
Make the jelly
Place the toasted slices into a quart of spring water.
Simmer over the fire until it becomes a jelly.
Strain through a thin cloth.
Flavor with a little lemon juice.
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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Lemon + sugartop 18% of all pairsSmell alikelowCooked together53,532 recipes
Shared aroma: 2-nonenal (fatty, green).
Lemon and sugar barely smell alike, yet cooks put them together in 53,532 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
- Roll
- Its crumb is the main body that softens and thickens the water into a jelly.
- Water
- Dissolves starch from the toasted bread, forming the liquid base of the jelly.
- Lemon
- Adds acidity that brightens the flavor of the otherwise mild bread.
The step that matters
Simmer over the fire until it becomes a jelly. Simmering must continue long enough for the bread starch to swell and gelatinize into a set jelly. Too little heat or time leaves a thin liquid, while overcooking can make it stiff and gluey.
“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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