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Mexican Rice

A simple Mexican rice dish cooked with lard, tomatoes, and seasonings.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 6 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 ↓

Mexican Rice

Ingredients

Directions

  1. Heat the lard in a pan until it reaches the smoking point.

  2. Add the dry rice and stir while it browns gently.

  3. Quickly add the chopped tomatoes and seasonings, stirring until the tomatoes soften.

  4. Add enough water to cover the rice and cook on low heat until the rice is soft.

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. Tomato + oniontop 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. Pepper + oniontop 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 body of the dish and absorbs the liquid as it cooks soft.
Lard
Fat that carries the heat and helps the dry rice brown gently.
Tomatoes
Add moisture, acidity and color as they soften into the rice.

The step that matters

Browning the dry rice in the lard. Toasting dry rice in hot fat gives a nutty flavor and helps grains stay separate. If the lard is not hot enough or the rice is stirred too little, it can scorch or stick before the liquid goes in.

Swap the onion

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

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

Fit is the average pairing score against 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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