Why it works: Arrowroot and lemon match in chemistry and in kitchens. They rank in the top 4% of all ingredient pairs, and cooks put them together in 553 recipes. Both carry coumarin, which smells sweet, hay. The science ↓
Ice Cream
Ingredients
Directions
Prepare the base
Thicken the milk slightly by mixing in the arrowroot.
Add the powdered sugar and pour the mixture over the beaten egg whites.
Flavor with your choice of extract.
Freeze
Prepare a tin pail in a tub filled with pounded ice and salt.
Pour the cream mixture into the pail and ensure the cover is tight.
Turn the pail half round and back continuously for one hour.
Remove any ice that forms around the sides and mix it in.
Replenish the ice and salt as needed.
Once solid, cover the pail with ice and blankets until serving.
If desired, mold the cream and invert it onto a plate when ready to serve.
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.
Photo for illustrative purposes only · Contact us to use it
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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Arrowroot + lemontop 4% of all pairsSmell alikestrongCooked together553 recipes
Shared aroma: coumarin (sweet, hay).
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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 + arrowroottop 18% of all pairsSmell alikemoderateCooked together817 recipes
Shared aroma: 2-methylbutyraldehyde (malty, chocolate).
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Sugar + lemontop 18% of all pairsSmell alikelowCooked together53,532 recipes
Shared aroma: 2-nonenal (fatty, green).
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Milk + eggtop 18% of all pairsSmell alikemoderateCooked together88,785 recipes
Shared aroma: 2-nonenal (fatty, green).
Sugar and lemon 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
- Milk
- Forms the liquid body of the cream and carries the sweetness and flavour through the freeze.
- Arrowroot
- Thickens the milk slightly, giving the frozen cream a smoother, more body-rich texture.
- Powdered sugar
- Sweetens the mixture and lowers its freezing point, keeping the cream softer when frozen.
- Egg whites
- Whipped foam adds air and lightness, giving the frozen cream a tender, airy structure.
The step that matters
Turning the pail during the freeze. Continuous turning keeps ice crystals small and the texture smooth. Scraping ice from the sides and mixing it back in prevents large crystals from forming and keeps the cream even.
Swap the arrowroot
How well each one fits the dish's main ingredients (milk, sugar, egg, lemon):
- Asparagusfits about as well
- Arrowrootthe original
- Sweet potatofits about as well
- Capsicumfits about as well
Fit is the average pairing score against milk, sugar, egg, lemon. 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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