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Dessert

Doughnuts and Crullers

A batter-based fried dough treat, made with flour, sugar, leavening, milk, egg, butter, and oil.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 9 ingredients
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Why it works: Milk and butter 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 ↓

Doughnuts and Crullers

Ingredients

Directions

The book gives no oven temperature. The 350°F (175°C) in the steps was added when the recipe was transcribed, as a starting point.

Prepare the batter

  1. In a bowl, mix flour, sugar, baking powder, baking soda, and salt.

  2. In another bowl, whisk together the egg, milk, and melted butter.

  3. Combine the wet and dry ingredients until just mixed.

Fry and drain

  1. Heat oil in a deep pan to 350°F (175°C).

  2. Drop spoonfuls of batter into the hot oil and fry until golden brown.

  3. Remove and drain on paper towels.

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

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

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

    Shared aroma: isobutyraldehyde (malty, green).

  3. Flour + milktop 14% of all pairs
    Smell alikelow
    Cooked together78,219 recipes

    Shared aroma: isobutyraldehyde (malty, green).

  4. Flour + sugartop 15% of all pairs
    Smell alikemoderate
    Cooked together92,116 recipes

    Shared aroma: phenylacetaldehyde (hawthorne, honey).

  5. Flour + eggtop 15% of all pairs
    Smell alikelow
    Cooked together106,462 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

All-purpose flour
Provides the main structure that holds the batter together while it fries.
Egg
Adds structure and richness, helping the batter bind and set.
Baking powder
Releases gas that lifts the batter so the fried doughnuts puff and stay light.
Milk
Adds moisture and hydrates the flour to form a workable batter.
Melted butter
Adds fat for tenderness and flavor in the finished doughnut.
Sugar
Adds sweetness and helps the surface brown in the hot oil.

The step that matters

Drop spoonfuls of batter into the hot oil. Oil that is too cool lets the batter soak up grease and turn heavy, while oil at the right temperature sets the outside quickly. Frying until golden brown also ensures the centre cooks through.

“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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