Why it works: Butter and flour are a kitchen classic. They rank in the top 12% of all ingredient pairs, and cooks put them together in 124,287 recipes. Both carry isobutyraldehyde, which smells malty, green. The science ↓
Oatmeal Cookies
Ingredients
Directions
The book says “a rather hot oven”. The 400°F (200°C) in the steps is the modern equivalent, not the book's own figure.
Make the dough
Mix oatmeal, sugar, and salt thoroughly.
Rub in the butter or dripping.
Dissolve baking soda in a little hot water and add to the mixture.
Gradually add enough flour to form a dough.
Shape and bake
Roll out and cut into small cakes.
Bake in a hot oven at 400°F (200°C) until dark 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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Butter + flourtop 12% of all pairsSmell alikelowCooked together124,287 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Sugar + flourtop 15% of all pairsSmell alikemoderateCooked together92,116 recipes
Shared aroma: phenylacetaldehyde (hawthorne, honey).
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Butter + sugartop 17% of all pairsSmell alikemoderateCooked together98,233 recipes
Shared aroma: guaiacol (smoky, sweet).
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
- Oatmeal
- Forms the bulk of the cookie, giving a chewy, hearty texture.
- Butter or dripping
- Adds fat that rubs into the dry mix, tenderizing and enriching the cookies.
- Sugar
- Sweetens the cookies and helps them brown during baking.
- Baking soda
- Reacts with the mixture to lift the cookies and encourage browning.
- Flour
- Binds the mixture into a dough that holds its shape when cut.
The step that matters
Bake until dark brown. Baking in a hot oven until dark brown develops the color and toasty flavor of the sugar and oats. Pulling them early leaves a pale, underbaked cookie, while over-baking dries them out and makes them hard.
“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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