Why it works: Butter and milk 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 ↓
Italian Cheese and Macaroni
Ingredients
Directions
The book says “a hot oven”. The 400°F (200°C) in the steps is the modern equivalent, not the book's own figure.
Prepare
Boil macaroni in 3 quarts of water for 20 minutes, then rinse with cold water.
Grease a baking dish with butter and layer in the macaroni.
Make the sauce
In a bowl, mix onion, tomatoes, salt, pepper, paprika, and ½ cup hot milk.
Add cheese and beaten egg to the mixture, then pour over the macaroni.
Bake
Bake in a 400°F (200°C) oven for 25 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 their aromas overlap, and how often cooks already put them together.
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Butter + milktop 7% of all pairsSmell alikemoderateCooked together81,283 recipes
Shared aroma: (z)-4-heptenal (biscuit, cream).
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Tomato + oniontop 8% of all pairsSmell alikemoderateCooked together20,633 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
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Cheese + buttertop 8% of all pairsSmell alikemoderateCooked together7,962 recipes
Shared aroma: delta-dodecalactone (sweet, creamy).
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Cheese + milktop 10% of all pairsSmell alikemoderateCooked together4,426 recipes
Shared aroma: delta-dodecalactone (sweet, creamy).
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Tomato + cheesetop 13% of all pairsSmell alikemoderateCooked together2,896 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Macaroni
- Forms the bulk and structure of the baked dish, holding its shape when cut and served.
- Tomatoes
- Provide moisture and acidity that flavour the sauce and keep the dish juicy.
- Cheese
- Melts into the sauce and browns on top, adding richness and savoury flavour.
- Egg
- Sets when baked, binding the sauce and helping it hold together.
- Milk
- Adds moisture and body to the sauce, mellowing the tomato acidity.
- Butter
- Greases the dish and adds fat for richer flavour and a golden surface.
The step that matters
Pouring the sauce over the macaroni. Pour the mixture evenly so every layer is coated; uneven coverage leaves dry pasta on top and wet pockets below. Adding the beaten egg to the cooled mixture helps prevent it curdling and scrambling.
Swap the white pepper
How well each one fits the dish's main ingredients (tomato, onion, cheese, butter, egg, milk):
- Garlicfits better
- Thymefits better
- Parsleyfits better
- White pepperthe original
Fit is the average pairing score against tomato, onion, cheese, butter, egg, milk. 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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