Why it works: Rice and tomato 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 Green Peppers
Ingredients
Directions
The book gives no oven temperature. The 400°F (200°C) in the steps was added when the recipe was transcribed, as a starting point.
Prepare the peppers
Remove seeds from the peppers and soak them in weak brine for 30 minutes.
Place the peppers in cold water and bring to a boil; boil for 2 minutes.
Make the filling
Wash and boil the rice until very tender, then let it steam dry.
Melt the butter in a pan and fry the chopped onion until soft.
Add the tomatoes, salt, pepper, and Worcestershire sauce to the onion.
Stir in the cooked rice and heat until thoroughly warmed.
If desired, mix in finely chopped ham.
Bake and serve
Fill the peppers with the rice mixture and top with grated cream cheese.
Heat the stuffed peppers in a hot oven at 400°F (200°C) until heated through.
Serve with tomato sauce.
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.
-
Rice + tomatotop 6% of all pairsSmell alikestrongCooked together3,065 recipes
Shared aroma: trans-2-nonenal (cardboard, fatty).
-
Pepper + tomatotop 7% of all pairsSmell alikemoderateCooked together17,923 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
-
Onion + tomatotop 8% of all pairsSmell alikemoderateCooked together20,633 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
-
Butter + cream cheesetop 8% of all pairsSmell alikemoderateCooked together2,747 recipes
Shared aroma: ethyl octanoate (fruity, wine).
-
Rice + oniontop 9% of all pairsSmell alikemoderateCooked together10,433 recipes
Shared aroma: 2,4-decadienal (seaweed).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Rice
- Absorbs liquid and forms the bulk of the filling, giving it a soft, substantial texture.
- Onion
- Softens while frying and adds savory sweetness and aroma to the filling.
- Tomatoes
- Add moisture and acidity that flavor the rice filling and keep it from drying out.
- Cream cheese
- Melts over the top during heating, adding richness and a creamy topping.
- Butter
- Fat used to fry the onion, adding richness and carrying flavor.
The step that matters
Boil the peppers only briefly. Two minutes of boiling softens the pepper walls enough to fill and bake without collapsing; boiling longer can make them too limp to hold the filling.
Swap the onion
How well each one fits the dish's main ingredients (pepper, rice, butter, tomato, sauce, ham, cream cheese):
- Capsicumfits better
- Potatofits about as well
- Cucumberfits about as well
- Onionthe original
Fit is the average pairing score against pepper, rice, butter, tomato, sauce, ham, cream cheese. 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.
You might also like
The free Flavor Lab newsletter: one surprising pairing a week and the molecular reason it works, in 60 seconds. No spam, unsubscribe anytime.
Prefer an account? Create a free account to save pairings and unlock the full chemistry.
Rice and Cheese Casserole23 recipes
Cheese Rice12 recipes
Tomato Soup526 recipes
Cream of Tomato Soup107 recipes