Why it works: Tomato and rice match in chemistry and in kitchens. They rank in the top 6% of all ingredient pairs, and cooks put them together in 3,065 recipes. Both carry trans-2-nonenal, which smells cardboard, fatty. The science ↓
Stuffed Peppers
Ingredients
Directions
The book says “a slow oven”. The 300°F (150°C) in the steps is the modern equivalent, not the book's own figure.
Prepare
Prepare the peppers by cutting off a slice at the stem end and removing seeds and partitions.
Soak the peppers and end slices in cold water for 24 hours, changing the water 3-4 times.
Fill and bake
In a bowl, mix the chopped meat, melted butter, diced tomato, uncooked rice, and salt.
Fill the peppers with the mixture and replace the end slices.
In a baking pan, add the onion slice, butter, tomato juice, and enough water to reach half the height of the peppers.
Bake in a 300°F (150°C) oven for 1 hour, basting every 15 minutes.
Serve
Once done, lift the peppers to a platter, thicken the gravy, and pour it over the peppers.
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 + ricetop 6% of all pairsSmell alikestrongCooked together3,065 recipes
Shared aroma: trans-2-nonenal (cardboard, fatty).
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Pepper + tomatotop 7% of all pairsSmell alikemoderateCooked together17,923 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
-
Tomato + oniontop 8% of all pairsSmell alikemoderateCooked together20,633 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
-
Rice + oniontop 9% of all pairsSmell alikemoderateCooked together10,433 recipes
Shared aroma: 2,4-decadienal (seaweed).
-
Pepper + oniontop 11% of all pairsSmell alikemoderateCooked together68,474 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
- Rice
- Absorbs moisture and juices during baking, becoming tender and filling the pepper.
- Chopped meat
- Provides the savoury filling that cooks through inside the peppers.
- Tomato
- Adds acidity and moisture to the filling and the gravy.
- Butter
- Adds richness and fat to the filling and the pan gravy.
- Green peppers
- Act as the edible shell that holds the filling and softens during baking.
The step that matters
Basting during the 1 hour bake. Basting every 15 minutes keeps the peppers and filling moist as the liquid in the pan reduces, helping the rice cook through without drying out.
Swap the onion
How well each one fits the dish's main ingredients (pepper, meat, butter, tomato, rice):
- Capsicumfits better
- Potatofits better
- Asparagusfits better
- Onionthe original
Fit is the average pairing score against pepper, meat, butter, tomato, rice. 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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