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How to Cook Rice for Casseroles

Rice shells are baked rice cakes shaped into hollow shells for use in casseroles.

From an old cookbook · modernised transcription
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Why it works: Rice and nutmeg are a kitchen classic. They rank in the top 9% of all ingredient pairs, and cooks put them together in 1,779 recipes. Both carry 4'-methylacetophenone, which smells bitter almond. The science ↓

How to Cook Rice for Casseroles

Oven, in the book's wordsA moderate oven

Ingredients

Directions

The book says “a moderate oven”. The 350°F (175°C) in the steps is the modern equivalent, not the book's own figure.

Cook the rice

  1. Wash the rice in several waters and drain it dry.

  2. In a medium saucepan, combine the rice with twice as much water or broth.

  3. Season with salt, add a small piece of butter, and bring to a boil over brisk heat, stirring occasionally.

  4. Once boiling, cover tightly and transfer to a 350°F (175°C) oven for 40 minutes.

  5. After cooking, add butter and nutmeg, mixing well with a wooden spoon.

Shape and finish

  1. Press the mixture into buttered molds and cover with buttered paper and a weight.

  2. Once cold, turn out the rice and cut into a vase‑like shape, scooping out the center to leave a shell about half an inch thick.

  3. Dilute the egg yolks in water and baste the inside and outside of the shell.

  4. Return to a 350°F (175°C) oven until nicely colored.

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 + nutmegtop 9% of all pairs
    Smell alikemoderate
    Cooked together1,779 recipes

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

  2. Rice + buttertop 16% of all pairs
    Smell alikemoderate
    Cooked together9,645 recipes

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

  3. Butter + nutmegtop 16% of all pairs
    Smell alikemoderate
    Cooked together24,377 recipes

    Shared aroma: eucalyptol (eucalyptus, herbal).

  4. Butter + eggtop 17% of all pairs
    Smell alikemoderate
    Cooked together118,967 recipes

    Shared aroma: decanal (soap, orange peel).

  5. Nutmeg + eggtop 17% of all pairs
    Smell alikelow
    Cooked together24,744 recipes

    Shared aroma: acetic acid (sour, vinegar).

Nutmeg and egg barely smell alike, yet cooks put them together in 24,744 recipes: they work on texture and structure more than aroma.

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 shell and sets into a firm, sliceable structure as it cools.
Butter
Adds richness and flavour and helps the rice stay moist and tender.
Egg yolks
Glaze that promotes browning and a golden finish in the oven.

The step that matters

Covering tightly and baking the rice. Sealing the pan lets the rice steam evenly in the oven so the grains soften through without drying. Pressing the mixture firmly into molds and letting it cool fully helps it hold its shape when turned out and cut.

Swap the nutmeg

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

  1. Nutmegthe original
  2. Cinnamonfits about as well
  3. Parsleyfits about as well
  4. Capersfits less well

Fit is the average pairing score against rice, butter, egg. 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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