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Spanish Rice

A simple rice dish cooked with lard or butter, onion, tomato, bell pepper, and hot water.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 7 ingredients
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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 ↓

Spanish Rice

Ingredients

Directions

  1. In a skillet, heat the lard or butter over medium heat.

  2. Add the rice, onion, tomato, bell pepper, and salt; fry until it begins to scorch.

  3. Pour in enough hot water to cover the rice and bring to a boil.

  4. Reduce heat, cover, and let cook for nearly an hour, stirring frequently until done.

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.

  1. Rice + tomatotop 6% of all pairs
    Smell alikestrong
    Cooked together3,065 recipes

    Shared aroma: trans-2-nonenal (cardboard, fatty).

  2. Tomato + peppertop 7% of all pairs
    Smell alikemoderate
    Cooked together17,923 recipes

    Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).

  3. Onion + tomatotop 8% of all pairs
    Smell alikemoderate
    Cooked together20,633 recipes

    Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).

  4. Rice + oniontop 9% of all pairs
    Smell alikemoderate
    Cooked together10,433 recipes

    Shared aroma: 2,4-decadienal (seaweed).

  5. Onion + peppertop 11% of all pairs
    Smell alikemoderate
    Cooked 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
Forms the bulk of the dish, absorbing water and cooking into tender grains.
Lard or butter
Adds fat that carries flavor and helps the rice grains toast in the pan.
Onion
Adds savory sweetness and aroma as it softens and browns in the fat.
Tomato
Adds moisture and acidity that give the rice its characteristic color and tang.
Bell pepper
Contributes sweet, vegetal flavor and moisture as it softens during cooking.

The step that matters

Frying until it begins to scorch. Browning the rice and vegetables in fat develops deeper, toasted flavors. Going too far, though, can leave bitter burnt notes, so watch closely and stop as soon as color appears.

Swap the onion

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

  1. Capsicumfits better
  2. Potatofits better
  3. Okrafits better
  4. Onionthe original

Fit is the average pairing score against butter, rice, tomato, 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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