Name: Savory Rice
Ingredients: 4 lb. of rice; 1 onion, chopped; 3 tablespoons of grated cheese; 3 tablespoons of tomato sauce; 1 tablespoon of chopped parsley; 1 oz. of butter; cayenne pepper, to taste; coarse sea salt, to taste

Why it works: Parsley and pepper match in chemistry and in kitchens. They rank in the top 2% of all ingredient pairs, and cooks put them together in 34,122 recipes. Both carry 4'-methylacetophenone, which smells bitter almond. The science ↓

Savory Rice

Ingredients

Directions

Boil the rice in water until tender and nearly dry.
Stir in the onion, cheese, tomato sauce, parsley, butter, cayenne, and salt, then mix well and form a mound in a serving dish.

Recipe from a historical cookbook (Internet Archive).

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.

Parsley + peppertop 2% of all pairs

Smell alikestrong

Cooked together34,122 recipes

Shared aroma: 4'-methylacetophenone (bitter almond).
Rice + tomatotop 6% of all pairs

Smell alikestrong

Cooked together3,065 recipes

Shared aroma: trans-2-nonenal (cardboard, fatty).
Tomato + peppertop 7% of all pairs

Smell alikemoderate

Cooked together17,923 recipes

Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
Onion + tomatotop 8% of all pairs

Smell alikemoderate

Cooked together20,633 recipes

Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
Tomato + parsleytop 8% of all pairs

Smell alikemoderate

Cooked together5,398 recipes

Shared aroma: 4'-methylacetophenone (bitter almond).

Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs

What each ingredient does

Rice: Forms the bulk of the dish and provides its starchy, tender base.
Butter: Adds fat for richness and a smooth mouthfeel to the rice.
Grated cheese: Adds savory, salty depth and helps the rice taste richer.
Tomato sauce: Contributes moisture, acidity, and savory flavor to the rice.
Onion: Adds savory aroma and a mild sweetness when mixed into the rice.

Swap the onion

How well each one fits the dish's main ingredients (rice, cheese, tomato, sauce, parsley, butter, pepper):

Capsicumfits better
Potatofits better
Carrotfits better
Onionthe original

Fit is the average pairing score against rice, cheese, tomato, sauce, parsley, butter, 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.