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Dessert

London Buns

A sweet yeast‑free bun made with flour, butter, raisins, sugar, baking powder, lemon essence, eggs, and milk.

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

Why it works: Flour and raisin match in chemistry and in kitchens. They rank in the top 1% of all ingredient pairs, and cooks put them together in 9,075 recipes. Both carry isobutyraldehyde, which smells malty, green. The science ↓

London Buns

Oven, in the book's wordsA hot oven

Ingredients

Directions

The book says “a hot oven”. The 400°F (200°C) in the steps is the modern equivalent, not the book's own figure.

Prepare

  1. Preheat the oven to 400°F (200°C).

  2. Rub the butter into the flour.

Make the dough

  1. Add the baking powder, sugar, lemon essence, and beaten eggs mixed with nearly 1 teacup of milk, and mix all ingredients thoroughly.

  2. Shape the mixture into small buns and place them on a greased baking sheet.

Bake

  1. Brush the tops with egg wash.

  2. Bake for 20 minutes.

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.

Photo for illustrative purposes only · Contact us to use it

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. Flour + raisintop 1% of all pairs
    Smell alikestrong
    Cooked together9,075 recipes

    Shared aroma: isobutyraldehyde (malty, green).

  2. Butter + milktop 7% of all pairs
    Smell alikemoderate
    Cooked together81,283 recipes

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

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

    Shared aroma: isobutyraldehyde (malty, green).

  4. Raisin + sugartop 13% of all pairs
    Smell alikemoderate
    Cooked together12,481 recipes

    Shared aroma: beta-damascenone (apple, rose).

  5. Flour + milktop 14% of all pairs
    Smell alikelow
    Cooked together78,219 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
Provides the structure that holds the buns together as they bake.
Butter
Rubbed into the flour to add fat, which tenderises the crumb.
Baking powder
Releases gas in the oven, helping the buns rise.
Eggs
Bind the mixture and add structure as they set during baking.
Sugar
Adds sweetness and helps the tops brown.
Milk
Adds moisture so the dough is soft enough to shape.

The step that matters

Mix all ingredients thoroughly. Baking powder must be evenly spread through the dough. Pockets of it can cause uneven rising, with some buns large and others dense or patchy.

Swap the lemon

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

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

Fit is the average pairing score against flour, raisin, butter, sugar, egg, 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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