Why it works: Milk and nutmeg are a kitchen classic. They rank in the top 15% of all ingredient pairs, and cooks put them together in 14,685 recipes. Both carry eucalyptol, which smells eucalyptus, herbal. The science ↓
Boiled Custard
Ingredients
Directions
Make the custard
Bring 1 quart of sweet milk to a boil.
In a bowl, mix the yolks of 4 beaten eggs, ¾ cup sugar, a little grated nutmeg, and 1 tablespoon cornstarch with a little cold milk.
Add the egg mixture to the boiling milk and cook for a few minutes.
Pour the mixture into a serving dish.
Top and brown
Beat the egg whites to a stiff froth and drop them over the top.
Place the dish in the oven to brown slightly.
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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Milk + nutmegtop 15% of all pairsSmell alikemoderateCooked together14,685 recipes
Shared aroma: eucalyptol (eucalyptus, herbal).
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Egg + nutmegtop 17% of all pairsSmell alikelowCooked together24,744 recipes
Shared aroma: acetic acid (sour, vinegar).
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Milk + eggtop 18% of all pairsSmell alikemoderateCooked together88,785 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).
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Sugar + nutmegtop 20% of all pairsSmell alikelowCooked together23,364 recipes
Shared aroma: 1-penten-3-one (fish, pungent).
Egg and nutmeg barely smell alike, yet cooks put them together in 24,744 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
- Egg yolks
- Thicken the custard and add richness as they cook with the milk.
- Cornstarch
- Thickens the custard by swelling with heat, giving it a smooth body.
- Sugar
- Sweetens the custard and balances the eggs and milk.
- Egg whites
- Whipped into a stiff froth, they form a light topping that browns in the oven.
The step that matters
Adding the egg mixture to the boiling milk. Egg yolks can curdle or scramble if they meet very hot liquid too quickly. Adding the mixture to the milk while stirring, and cooking only a few minutes, helps keep the custard smooth while the starch thickens it.
Swap the nutmeg
How well each one fits the dish's main ingredients (milk, egg, sugar):
- Cinnamonfits better
- Nutmegthe original
- Gingerfits less well
- Allspicefits less well
Fit is the average pairing score against milk, egg, sugar. 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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