Why it works: Sauce and ketchup match in chemistry and in kitchens. They rank in the top 1% of all ingredient pairs, and cooks put them together in 1,099 recipes. Both carry ethanol, which smells alcoholic, ethereal. The science ↓
A Beef Stew
Ingredients
Directions
Prepare
Trim all fat and skin from the beef and cut it into 2 to 3-inch pieces.
Place the beef in a stewpan and add 1 quart of broth.
Simmer and flavor
Bring to a boil, then reduce heat and simmer gently for 2 hours.
Finely shred the lemon and add it to the gravy.
After 20 minutes, mix in Harvey’s sauce, lemon juice, flour, and ketchup.
Add Madeira, sherry, or port 15 minutes after the flavoring, then serve.
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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Sauce + ketchuptop 1% of all pairsSmell alikestrongCooked together1,099 recipes
Shared aroma: ethanol (alcoholic, ethereal).
-
Pepper + lemontop 3% of all pairsSmell alikestrongCooked together27,047 recipes
Shared aroma: trans-2-nonenal (cardboard, fatty).
-
Beef + peppertop 10% of all pairsSmell alikemoderateCooked together18,971 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
-
Flour + ketchuptop 13% of all pairsSmell alikemoderateCooked together2,435 recipes
Shared aroma: ethanol (alcoholic, ethereal).
-
Lemon + flourtop 17% of all pairsSmell alikemoderateCooked together30,404 recipes
Shared aroma: isobutyraldehyde (malty, green).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Rump of beef
- Provides the main meat, which becomes tender through long, gentle simmering.
- Flour
- Thickens the gravy as it cooks, giving it body.
- Madeira, sherry, or port
- Adds wine-based sweetness and depth to the finished gravy.
The step that matters
Simmer gently after the boil. A rolling boil toughens meat proteins and can break up the pieces, while a gentle simmer lets connective tissue slowly soften into tender meat.
Swap the lemon
How well each one fits the dish's main ingredients (beef, pepper, sauce, flour, ketchup, sherry):
- Lemonthe original
- Limefits about as well
- Raisinfits about as well
- Avocadofits less well
Fit is the average pairing score against beef, pepper, sauce, flour, ketchup, sherry. 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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