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Spanish Rice

A baked rice dish with onions, peppers, tomatoes, butter, and seasoning.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 8 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

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

  1. Boil the rice until well done.

  2. Fry the onions and red peppers in butter until softened.

Combine and bake

  1. Add the cooked tomatoes, salt, and black pepper to the mixture.

  2. Stir in the cooked rice and mix well.

  3. Transfer to a porcelain-lined dish and spread bits of butter on top.

  4. Bake at 400°F (200°C) until lightly browned.

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. Pepper + tomatotop 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 and absorbs the tomato liquid as it bakes.
Onions
Soften and sweeten as they fry, adding savory depth to the rice.
Red peppers
Add sweetness and a fresh, vegetal aroma when fried until soft.
Cooked tomatoes
Provide moisture and acidity that flavor the rice as it bakes.
Butter
Adds richness and helps the top brown in the oven.

Swap the onion

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

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

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