Why it works: Beef and onion are a kitchen classic. They rank in the top 7% of all ingredient pairs, and cooks put them together in 17,092 recipes. Both carry 2-isopropyl-3-methoxypyrazine, which smells earthy, pea. The science ↓
Meat Loaf
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
Grind or chop the round steak and beef suet.
Shape the loaves
In a bowl, combine the meat with salt, pepper, eggs, onion, bread crumbs, and milk.
Mix thoroughly and shape into two loaves.
Roll the loaves in bread crumbs and dot with butter.
Bake
Bake at 400°F (200°C) for 1 hour, basting often.
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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Beef + oniontop 7% of all pairsSmell alikemoderateCooked together17,092 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
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Bread + buttertop 7% of all pairsSmell alikemoderateCooked together27,232 recipes
Shared aroma: delta-decalactone (sweet, creamy).
-
Milk + buttertop 7% of all pairsSmell alikemoderateCooked together81,283 recipes
Shared aroma: (z)-4-heptenal (biscuit, cream).
-
Beef + peppertop 10% of all pairsSmell alikemoderateCooked together18,971 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
-
Bread + milktop 11% of all pairsSmell alikemoderateCooked together11,466 recipes
Shared aroma: 2-undecenal (sweet).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Round steak
- Forms the main body of the loaf and gives it its meaty structure.
- Beef suet
- Adds fat that keeps the loaf moist and juicy as it bakes.
- Eggs
- Bind the meat and crumbs together so the loaf holds its shape when sliced.
- Bread or cracker crumbs
- Absorb liquid and soak up juices, keeping the loaf tender rather than dense.
- Milk
- Adds moisture that keeps the mixture soft and tender during baking.
The step that matters
Mix thoroughly and shape into two loaves. Overmixing the meat compacts its proteins and makes the loaf dense and tough, while undermixing leaves the eggs and crumbs unevenly distributed, so the loaves may crumble when sliced.
Swap the onion
How well each one fits the dish's main ingredients (beef, pepper, egg, bread, milk, butter):
- Potatofits better
- Capsicumfits better
- Asparagusfits better
- Onionthe original
Fit is the average pairing score against beef, pepper, egg, bread, milk, 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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