Why it works: Flour and butter 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 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.
Prepare
Preheat the oven to 350°F (175°C).
Make the dough
In a bowl, mix the butter and brown sugar together until creamy.
Add the oatmeal and mix well.
Gradually add the water and stir until combined.
Roll the dough thin and cut into desired shapes.
Bake
Place on a baking sheet and bake for 10-12 minutes.
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 + buttertop 12% of all pairsSmell alikelowCooked together124,287 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Flour + sugartop 15% of all pairsSmell alikemoderateCooked together92,116 recipes
Shared aroma: phenylacetaldehyde (hawthorne, honey).
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Sugar + buttertop 17% of all pairsSmell alikemoderateCooked together98,233 recipes
Shared aroma: guaiacol (smoky, sweet).
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
- Butter
- Creams with sugar to create a tender, spreadable dough and adds richness.
- Brown sugar
- Adds sweetness and moisture, and helps the cookies brown and stay soft.
- Fine oatmeal
- Provides the oat base and bulk that gives the cookies their texture.
- Flour
- Provides structure so the dough holds its shape when rolled and cut.
- Baking powder
- Releases gas during baking to lift the cookies and lighten their texture.
The step that matters
Rolling the dough thin. Dough rolled too thick bakes unevenly and stays doughy in the centre, while thin dough bakes through and crisps at the edges. Keeping thickness even ensures every cookie bakes at the same rate.
“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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