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Dessert

Plain Cookies

Cookies made with butter, sugar, egg, baking soda, sour milk, cinnamon, and flour.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 7 ingredients
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Why it works: Butter and milk are a kitchen classic. They rank in the top 7% of all ingredient pairs, and cooks put them together in 81,283 recipes. Both carry (z)-4-heptenal, which smells biscuit, cream. The science ↓

Plain Cookies

Ingredients

Directions

The book gives no oven temperature. The 400°F (200°C) in the steps was added when the recipe was transcribed, as a starting point.

Prepare

  1. Preheat the oven to 400°F (200°C).

Make the dough

  1. In a bowl, cream together the butter and sugar.

  2. Add the egg, baking soda dissolved in sour milk, and cinnamon; mix well.

  3. Gradually add flour until a dough forms.

Shape and bake

  1. Roll the dough thin and cut into desired shapes.

  2. Bake in the preheated oven until lightly golden.

Recipe from a historical cookbook (Internet Archive).

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.

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.

  1. Butter + milktop 7% of all pairs
    Smell alikemoderate
    Cooked together81,283 recipes

    Shared aroma: (z)-4-heptenal (biscuit, cream).

  2. Cinnamon + flourtop 9% of all pairs
    Smell alikemoderate
    Cooked together17,341 recipes

    Shared aroma: isobutyraldehyde (malty, green).

  3. Milk + cinnamontop 10% of all pairs
    Smell alikemoderate
    Cooked together12,655 recipes

    Shared aroma: cuminaldehyde (Spicy, cumin).

  4. Sugar + cinnamontop 10% of all pairs
    Smell alikelow
    Cooked together30,779 recipes

    Shared aroma: guaiacol (smoky, sweet).

  5. Butter + flourtop 12% of all pairs
    Smell alikelow
    Cooked together124,287 recipes

    Shared aroma: isobutyraldehyde (malty, green).

Sugar and cinnamon barely smell alike, yet cooks put them together in 30,779 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 add richness and a tender texture to the cookies.
Sugar
Sweetens the cookies and helps them brown lightly while baking.
Egg
Binds the dough and adds structure as the cookies set.
Baking soda
Reacts with the sour milk to produce gas, helping the cookies rise and lighten.
Sour milk
Its acidity activates the baking soda and adds a slight tang and moisture.
Flour
Provides the structure that turns the mixture into a rollable dough.

The step that matters

Dissolving baking soda in sour milk before mixing. Baking soda needs an acid to react and release gas. Dissolving it fully in the sour milk lets it react evenly through the dough, so the cookies rise uniformly instead of being patchy or bitter.

“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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