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Dessert

London Hot-cross Buns

A sweet yeast dough bun with a cross on top, baked until light brown.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 10 ingredients
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Why it works: Nutmeg and biscuit match in chemistry and in kitchens. They rank in the top 5% of all ingredient pairs, and cooks put them together in 368 recipes. Both carry maltol, which smells caramel, sweet. The science ↓

London Hot-cross Buns

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.

Make the sponge

  1. Combine milk, yeast (or dissolved yeast), and enough flour to make a thick batter. Set aside overnight as a sponge.

Shape and rise

  1. In the morning, add melted butter, sugar, grated nutmeg, salt, baking soda, and enough flour to roll out like biscuit. Knead well.

  2. Let the dough rise for 5 hours.

  3. Roll the dough to ½ inch thick and cut into round cakes. Place in a buttered baking pan in rows.

  4. Let the cakes stand for 30 minutes or until light.

Bake and finish

  1. Make a deep cross on each cake with a knife and bake in a preheated oven at 400°F (200°C) until light brown.

  2. Brush the tops with beaten egg white mixed with powdered sugar.

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. Nutmeg + biscuittop 5% of all pairs
    Smell alikestrong
    Cooked together368 recipes

    Shared aroma: maltol (caramel, sweet).

  2. Milk + buttertop 7% of all pairs
    Smell alikemoderate
    Cooked together81,283 recipes

    Shared aroma: (z)-4-heptenal (biscuit, cream).

  3. Flour + nutmegtop 8% of all pairs
    Smell alikemoderate
    Cooked together18,623 recipes

    Shared aroma: isobutyraldehyde (malty, green).

  4. Flour + biscuittop 9% of all pairs
    Smell alikestrong
    Cooked together889 recipes

    Shared aroma: isobutyraldehyde (malty, green).

  5. Flour + buttertop 12% of all pairs
    Smell alikelow
    Cooked together124,287 recipes

    Shared aroma: isobutyraldehyde (malty, green).

Flour and butter barely smell alike, yet cooks put them together in 124,287 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

Flour
Forms the structure of the dough once kneaded into the sponge and the rest of the dough.
Yeast
Ferments the sponge, producing gas that makes the dough rise and become light.
Milk
Adds moisture and richness, softening the crumb and aiding browning on the crust.
Butter
Adds fat, tenderising the crumb and giving a rich flavour.
Sugar
Feeds the yeast and adds sweetness, helping the crust brown.
Baking soda
Reacts with acidity in the dough to add a little extra lift and help browning.

The step that matters

Letting the cakes stand until light. Under-proofed cakes stay dense and bake heavy, while over-proofed dough collapses. Yeast gas must fill the dough before the oven sets its structure.

Swap the nutmeg

How well each one fits the dish's main ingredients (milk, flour, butter, sugar, biscuit, egg):

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

Fit is the average pairing score against milk, flour, butter, sugar, biscuit, 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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