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 gives no oven temperature. The 350°F (175°C) in the steps was added when the recipe was transcribed, as a starting point.
Prepare
Preheat the oven to 350°F (175°C).
Make and bake the dough
In a bowl, mix the oatmeal, flour, brown sugar, and butter.
Dissolve the baking soda in the boiling water and add to the mixture. Stir until well combined.
Drop spoonfuls of the dough onto a baking sheet.
Bake until light 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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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
- Oatmeal
- Provides the bulk and chewy texture of the cookie.
- Flour
- Gives the dough structure so the cookies hold their shape.
- Brown sugar
- Adds sweetness, moisture and caramel flavor, and helps the cookies brown.
- Butter
- Adds fat for richness and tenderness and helps bind the dough.
- Baking soda
- Reacts with the sugars and heat to help the cookies rise and brown.
The step that matters
Bake until light brown. Baking soda and sugars brown quickly once heated, so the cookies can overbake and turn dry and hard if left too long. Pulling them when only lightly browned keeps them soft and chewy as they cool.
“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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