Why it works: Tomato and pepper are a kitchen classic. They rank in the top 7% of all ingredient pairs, and cooks put them together in 17,923 recipes. Both carry 2-isopropyl-3-methoxypyrazine, which smells earthy, pea. The science ↓
Scalloped Mutton
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.
Prepare
Preheat the oven to 350°F (175°C).
Assemble
In a baking dish, layer the cooked macaroni, mutton, and tomato sauce.
Sprinkle each layer with salt and pepper.
Mix the cracker crumbs with melted butter and cover the top layer with this mixture.
Bake
Bake until the crumbs are brown.
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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Tomato + peppertop 7% of all pairsSmell alikemoderateCooked together17,923 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
-
Sauce + buttertop 15% of all pairsSmell alikelowCooked together15,338 recipes
Shared aroma: ethanol (alcoholic, ethereal).
-
Tomato + saucetop 15% of all pairsSmell alikelowCooked together5,469 recipes
Shared aroma: ethanol (alcoholic, ethereal).
-
Mutton + peppertop 16% of all pairsSmell alikelowCooked together5,442 recipes
Shared aroma: trans-2-nonenal (cardboard, fatty).
-
Butter + muttontop 16% of all pairsSmell alikemoderateCooked together3,781 recipes
Shared aroma: trans-2-nonenal (cardboard, fatty).
Sauce and butter barely smell alike, yet cooks put them together in 15,338 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
- Mutton
- Provides the meat base and savory flavor that the rest of the layers build on.
- Cracker crumbs
- Form a crisp, browned topping when baked with melted butter.
- Melted butter
- Moistens the cracker crumbs and helps them brown evenly in the oven.
- Tomato sauce
- Adds moisture and acidity that soaks into the macaroni and meat layers.
- Cooked macaroni
- Adds starch and body, soaking up sauce to give the layers a soft texture.
The step that matters
Bake until the crumbs are brown. Baking too briefly leaves the topping pale and soft, while overbaking dries the layers. Browning comes from heat reacting with the sugars and starches in the crumbs and butter, so watch the color rather than only the clock.
Swap the tomato
How well each one fits the dish's main ingredients (sauce, butter, mutton, pepper):
- Capsicumfits about as well
- Tomatothe original
- Shallotfits about as well
- Potatofits about as well
Fit is the average pairing score against sauce, butter, mutton, pepper. 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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