Why it works: Sugar and cream are a kitchen classic. They rank in the top 9% of all ingredient pairs, and cooks put them together in 43,450 recipes. Both carry 2,3-butanedione, which smells butter, sweet. The science ↓
Lemon Cream
Ingredients
Directions
Prepare the isinglass
Dissolve isinglass in a small saucepan with milk over low heat, stirring until fully dissolved.
Strain the mixture through a fine sieve into a teacup.
Make the cream
Grate the yellow rind from 3-4 lemons into a large bowl.
Add the juice of 1 large lemon or 2 small lemons to the bowl.
Add heavy cream to the bowl and whisk until thick and frothy.
Sweeten with sugar to taste.
Mix in the nearly cold isinglass mixture.
Continue whisking until it begins to set.
Set and serve
Pour the mixture into a mold.
To serve, dip the mold in warm water to release the cream, and garnish with lemon slices.
Optionally, top with cold set jelly before pouring in the cream.
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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Sugar + creamtop 9% of all pairsSmell alikemoderateCooked together43,450 recipes
Shared aroma: 2,3-butanedione (butter, sweet).
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Milk + lemontop 15% of all pairsSmell alikemoderateCooked together19,053 recipes
Shared aroma: 2-nonenal (fatty, green).
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Milk + creamtop 18% of all pairsSmell alikemoderateCooked together29,399 recipes
Shared aroma: delta-dodecalactone (sweet, creamy).
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Lemon + sugartop 18% of all pairsSmell alikelowCooked together53,532 recipes
Shared aroma: 2-nonenal (fatty, green).
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Milk + sugartop 18% of all pairsSmell alikelowCooked together77,875 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
- Isinglass
- Gelatin-like setting agent that firms the cream so it holds its shape when unmolded.
- Heavy cream
- Provides richness and fat, and whisks into a thick, airy body that gives the dessert its texture.
- Lemons
- Supply the acidity and aromatic oils from the rind and juice that flavour the cream.
- Loaf sugar
- Sweetens the cream and balances the sharpness of the lemon juice.
- Milk
- Carries the dissolved isinglass and adds moisture and mild richness to the set cream.
The step that matters
Whisking in the isinglass at nearly cold temperature. If the isinglass mixture is still hot, it can thin the cream and prevent proper setting. If it is cold, it may gel in lumps before blending. Adding it when nearly cold and whisking promptly keeps it evenly dispersed as the cream begins to set.
Swap the lemon
How well each one fits the dish's main ingredients (milk, sugar, cream):
- Vanillafits better
- Strawberryfits better
- Figfits better
- Lemonthe original
Fit is the average pairing score against milk, sugar, cream. 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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