Why it works: Milk and butter are a kitchen classic. They rank in the top 7% of all ingredient pairs, and cooks put them together in 81,283 recipes. Both carry (z)-4-heptenal, which smells biscuit, cream. The science ↓
Cup of Arrowroot
Ingredients
Directions
The book says “a moderate oven”. The 350°F (175°C) in the steps is the modern equivalent, not the book's own figure.
Make the custard base
Mix the arrowroot with a little cold milk.
Heat the remaining milk until boiling.
Pour the boiling milk into the arrowroot mixture.
Stir until it thickens.
Add the sugar and mix well.
Beat the egg.
Add the beaten egg to the arrowroot mixture.
Bake
Grease a small pie dish with butter.
Pour the mixture into the greased dish.
Bake for 10 to 15 minutes in a moderate oven at 350°F (175°C).
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.
-
Milk + buttertop 7% of all pairsSmell alikemoderateCooked together81,283 recipes
Shared aroma: (z)-4-heptenal (biscuit, cream).
-
Egg + buttertop 17% of all pairsSmell alikemoderateCooked together118,967 recipes
Shared aroma: decanal (soap, orange peel).
-
Sugar + buttertop 17% of all pairsSmell alikemoderateCooked together98,233 recipes
Shared aroma: guaiacol (smoky, sweet).
-
Arrowroot + milktop 18% of all pairsSmell alikemoderateCooked together817 recipes
Shared aroma: 2-methylbutyraldehyde (malty, chocolate).
-
Milk + eggtop 18% of all pairsSmell alikemoderateCooked together88,785 recipes
Shared aroma: 2-nonenal (fatty, green).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Arrowroot
- Thickens the milk into a smooth, set custard when heated.
- Egg
- Adds richness and helps the pudding set as it bakes.
- Milk
- Forms the liquid base that thickens and bakes into the pudding.
The step that matters
Stir until it thickens. Arrowroot must be stirred while the boiling milk is added so it thickens evenly without lumps. Once it thickens, it should be combined smoothly before the egg goes in, so the custard sets properly in the oven.
Swap the arrowroot
How well each one fits the dish's main ingredients (sugar, milk, egg, butter):
- Potatofits better
- Sweet potatofits better
- Asparagusfits better
- Arrowrootthe original
Fit is the average pairing score against sugar, milk, egg, butter. 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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