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 hot oven”. The 400°F (200°C) in the steps is the modern equivalent, not the book's own figure.
Prepare
Dissolve the baking soda in a little boiling water.
Make the dough
In a bowl, mix hot water, butter and lard, and sugar until combined.
Stir in oatmeal and flour until a dough forms.
Shape and bake
Roll the dough thin and cut into desired shapes.
Bake in a hot oven at 400°F (200°C) until golden.
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
- Butter and lard
- Provides fat that makes the cookies tender and adds richness.
- Sugar
- Adds sweetness and helps the cookies brown during baking.
- Oatmeal
- Gives the cookies their hearty texture and body.
- Flour
- Provides structure so the dough holds its shape when rolled and cut.
- Baking soda
- Reacts with the dough to help the cookies rise and spread slightly.
The step that matters
Rolling the dough thin. Dough rolled too thick bakes unevenly and stays soft in the centre, while thin dough crisps and browns more evenly. Keep the thickness consistent so all the cookies finish at the same time.
“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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