Why it works: Milk and butter match in chemistry and in kitchens. They rank in the top 3% of all ingredient pairs, and 81,222 recipes mention both. Both carry (z)-4-heptenal, which smells biscuit, cream. The science ↓
The recipe
Ingredients
Contains: egg, milk, wheat (auto-detected from the ingredients and method; we can miss things, so check labels)
Directions
Cook the macaroni
Cook the macaroni in boiling salted water for 15 minutes.
Drain the macaroni and cover it with milk, then stew until tender.
Make the dressing
In another saucepan, boil 1 cup of milk and thicken it with 1 teaspoon of flour.
Stir in 1 tablespoon of butter and the beaten egg.
Place the macaroni in a serving dish, pour the dressing over it, and serve hot.
Make the cheese version
For the cheese version, boil the macaroni for 25 minutes in 2 quarts of boiling water with 1 tablespoon of salt.
Prepare a cream sauce with ½ cup of milk and pour it over the drained macaroni.
Layer the macaroni and grated cheese in an escallop dish until full.
Bake for 20 minutes.
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 aroma chemistry they share, and how many recipes mention both.
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Milk + buttertop 3% of all pairsAroma overlapstrongMentioned together81,222 recipes
Shared aroma: (z)-4-heptenal (biscuit, cream).
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Butter + cheesetop 3% of all pairsAroma overlapstrongMentioned together7,955 recipes
Shared aroma: delta-dodecalactone (sweet, creamy).
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Milk + cheesetop 4% of all pairsAroma overlapstrongMentioned together4,424 recipes
Shared aroma: delta-dodecalactone (sweet, creamy).
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Flour + buttertop 6% of all pairsAroma overlaplowMentioned together122,858 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Milk + flourtop 8% of all pairsAroma overlaplowMentioned together76,993 recipes
Shared aroma: isobutyraldehyde (malty, green).
Flour and butter share little aroma chemistry, yet 122,858 recipes mention both: they likely 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
- Macaroni
- Forms the bulk of the dish and gives it its body once cooked until tender.
- Flour
- Thickens the boiled milk into a smooth dressing or sauce.
- Egg
- Adds richness and helps bind the dressing as it is stirred in.
- Butter
- Adds fat and a rich, smooth mouthfeel to the dressing.
- Cheese
- Melts into the layers to add savoury flavour and a creamy texture.
The step that matters
Thickening the milk with flour. Flour must be whisked into hot milk and cooked until it thickens; if added unevenly it forms lumps, and the starch needs to be heated to swell and thicken the liquid properly.
“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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