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Dessert

Spanish Bun

A sweet baked bun made with butter, sugar, eggs, milk, flour, baking powder, and flavored with a choice of flavoring, topped with a glossy icing.

From an old cookbook · modernised transcription
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Spanish Bun

Why it works: Butter and milk are a kitchen classic. They rank in the top 7% of all ingredient pairs, and cooks put them together in 81,283 recipes. Both carry (z)-4-heptenal, which smells biscuit, cream. The science ↓

Spanish Bun

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. The book gives no cooking times; the times in the steps were added in transcription, so check for doneness rather than trusting the clock.

Make the batter

  1. Preheat the oven to 350°F (175°C).

  2. Cream together the butter and sugar until light and fluffy.

  3. Add the eggs one at a time, mixing well after each addition.

  4. Stir in the sweet milk.

  5. Gradually add the flour and baking powder, mixing until just combined.

  6. Pour the batter into a greased baking pan.

Bake and ice

  1. Bake for 25-30 minutes or until a toothpick comes out clean.

  2. For icing, beat the egg whites until stiff peaks form, then gradually add 1½ cups of sugar until glossy.

  3. Spread the icing over the cooled bun.

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

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

  2. Butter + flourtop 12% of all pairs
    Smell alikelow
    Cooked together124,287 recipes

    Shared aroma: isobutyraldehyde (malty, green).

  3. Milk + flourtop 14% of all pairs
    Smell alikelow
    Cooked together78,219 recipes

    Shared aroma: isobutyraldehyde (malty, green).

  4. Sugar + flourtop 15% of all pairs
    Smell alikemoderate
    Cooked together92,116 recipes

    Shared aroma: phenylacetaldehyde (hawthorne, honey).

  5. Egg + flourtop 15% of all pairs
    Smell alikelow
    Cooked together106,462 recipes

    Shared aroma: isobutyraldehyde (malty, green).

Butter and flour 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

Butter
Creaming with sugar traps air and gives the bun a tender, rich crumb.
Eggs
Provide structure and richness, helping the bun set as it bakes.
Flour
Forms the main structure of the bun as the batter sets in the oven.
Magic baking powder
Releases gas in the batter, making the bun rise and turn light.
Egg whites
Whipped with sugar to form a glossy, stable icing.

The step that matters

Adding the flour and baking powder. Mixing only until combined keeps the batter tender; overmixing develops gluten, which can make the bun tough and dense.

“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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