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Yokohama Eggs

A dish of beaten egg yolks seasoned with salt, lemon, saffron, served with milk-soaked rice.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 5 ingredients
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Why it works: Lemon and saffron match in chemistry and in kitchens. They rank in the top 1% of all ingredient pairs, and cooks put them together in 538 recipes. Both carry eucalyptol, which smells eucalyptus, herbal. The science ↓

Yokohama Eggs

Ingredients

Directions

Prepare

  1. Beat the egg yolks until foaming.

  2. Add a pinch of salt.

Finish and serve

  1. Slowly pour in the lemon juice, drop by drop.

  2. Flavor with a pinch of saffron.

  3. Serve with rice soaked in milk.

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. Lemon + saffrontop 1% of all pairs
    Smell alikestrong
    Cooked together538 recipes

    Shared aroma: eucalyptol (eucalyptus, herbal).

  2. Saffron + ricetop 2% of all pairs
    Smell alikemoderate
    Cooked together629 recipes

    Shared aroma: eucalyptol (eucalyptus, herbal).

  3. Rice + milktop 7% of all pairs
    Smell alikemoderate
    Cooked together7,374 recipes

    Shared aroma: 2-nonenal (fatty, green).

  4. Lemon + ricetop 12% of all pairs
    Smell alikemoderate
    Cooked together4,366 recipes

    Shared aroma: (e,e)-2,4-decadienal (fatty, deep fried).

  5. Lemon + milktop 15% of all pairs
    Smell alikemoderate
    Cooked together19,053 recipes

    Shared aroma: 2-nonenal (fatty, green).

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

What each ingredient does

Egg yolks
Provide richness and thicken into a smooth, creamy sauce when gently combined.
Lemon juice
Adds acidity that brightens the flavor and balances the richness of the yolks.
Saffron
Adds a distinctive aroma and a golden yellow color.
Rice soaked in milk
Adds body and soft texture, absorbing the sauce so each bite carries the flavor.

The step that matters

Adding the lemon juice slowly. Acid added too quickly can curdle egg yolks into lumps. Pouring drop by drop while beating lets the acid blend in gradually, so the yolks thicken into a smooth, even sauce.

Swap the lemon

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

  1. Lemonthe original
  2. Vanillafits about as well
  3. Coconutfits about as well
  4. Figfits less well

Fit is the average pairing score against egg, saffron, rice, milk. 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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