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 ↓
Chocolate Cookies
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
Preheat the oven to 350°F (175°C).
In a bowl, beat together the brown sugar and melted butter.
Add the whole egg and egg yolk, along with the melted chocolate, and beat again.
Mix in the sweet milk and flour until combined.
If desired, fold in raisins and nuts.
Bake
Drop spoonfuls of the batter far apart on a greased baking sheet.
Bake until set.
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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Flour + raisintop 1% of all pairsSmell alikestrongCooked together9,075 recipes
Shared aroma: isobutyraldehyde (malty, green).
-
Butter + milktop 7% of all pairsSmell alikemoderateCooked together81,283 recipes
Shared aroma: (z)-4-heptenal (biscuit, cream).
-
Chocolate + nutstop 10% of all pairsSmell alikemoderateCooked together440 recipes
Shared aroma: furaneol (caramel, strawberry).
-
Raisin + nutstop 10% of all pairsSmell alikemoderateCooked together490 recipes
Shared aroma: decanal (soap, orange peel).
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Butter + flourtop 12% of all pairsSmell alikelowCooked together124,287 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
- Flour
- Provides the structure that holds the cookies together as they set.
- Egg
- Binds the batter and adds richness and structure as it sets.
- Butter
- Adds fat for tenderness and flavour in the cookie.
- Baking powder
- Releases gas during baking so the cookies rise and lighten.
- Brown sugar
- Adds sweetness and moisture, and deepens the flavour.
The step that matters
Spacing the spoonfuls of batter. Cookie batter spreads as it bakes. Dropping spoonfuls far apart on the sheet leaves room for spreading so the cookies do not merge into one mass.
Swap the raisin
The recipe marks raisin as optional. How well each one fits the dish's main ingredients (sugar, butter, milk, flour, egg, chocolate, nuts):
- Vanillafits better
- Raisinthe original
- Coconutfits about as well
- Figfits less well
Fit is the average pairing score against sugar, butter, milk, flour, egg, chocolate, nuts. 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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