Why it works: Butternut and flour share more aroma than cooks usually use. They rank in the top 4% of all ingredient pairs, and cooks put them together in 37 recipes. Both carry isobutyraldehyde, which smells malty, green. The science ↓
Doughnuts
Ingredients
Directions
Make the dough
In a bowl, mix sugar, egg, and sour milk with baking soda until it foams.
Add butter and ginger, then mix well.
Gradually add flour until the dough is manageable for rolling.
Shape and fry
Roll out the dough and cut into desired shapes.
Fry in hot oil until golden brown.
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.
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Butternut + flourtop 4% of all pairsSmell alikestrongCooked together37 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Milk + buttertop 7% of all pairsSmell alikemoderateCooked together81,283 recipes
Shared aroma: (z)-4-heptenal (biscuit, cream).
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Butternut + gingertop 8% of all pairsSmell alikemoderateCooked together20 recipes
Shared aroma: coumarin (sweet, hay).
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Butter + flourtop 12% of all pairsSmell alikelowCooked together124,287 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Milk + flourtop 14% of all pairsSmell alikelowCooked together78,219 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
- Sour milk
- Its acidity reacts with baking soda to produce bubbles that lighten the dough.
- Baking soda
- Reacts with the acidic sour milk to release gas, so the doughnuts rise and turn tender.
- Egg
- Adds moisture and helps bind the dough together.
- Flour
- Builds the structure that holds the shaped dough together while it fries.
- Butter
- Adds fat, which softens the crumb and gives a richer texture.
- Sugar
- Adds sweetness and helps the surface brown during frying.
The step that matters
Fry in hot oil until golden brown. If the oil is too cool, the dough absorbs grease and turns heavy; if it is too hot, the outside browns before the centre cooks through. Steady, moderate heat gives an even golden crust and a fully cooked interior.
Swap the ginger
How well each one fits the dish's main ingredients (sugar, egg, milk, butter, butternut, flour):
- Cinnamonfits better
- Nutmegfits better
- Capersfits better
- Gingerthe original
Fit is the average pairing score against sugar, egg, milk, butter, butternut, flour. 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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