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Dessert

Butter Kolacky

Butter Kolacky are buttery pastries made with butter, sugar, flour, egg yolks, and almonds, baked and filled with jam.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 5 ingredients
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Why it works: Flour and almond are a kitchen classic. They rank in the top 5% of all ingredient pairs, and cooks put them together in 8,673 recipes. Both carry isobutyraldehyde, which smells malty, green. The science ↓

Butter Kolacky

Oven, in the book's wordsA moderate oven

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.

Make the dough

  1. Sift flour and work in butter and sugar.

  2. Add the egg yolks without beating and mix until smooth.

  3. Knead the dough until very smooth.

  4. Roll out to about ½ inch thick and cut with a small glass or cutter.

  5. Make a dent in the center of each piece.

Bake and fill

  1. Brush with slightly beaten egg white and sprinkle with chopped almonds.

  2. Bake in a moderate oven at 350°F (175°C).

  3. When cool, fill the dents with jam or jelly.

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. Flour + almondtop 5% of all pairs
    Smell alikemoderate
    Cooked together8,673 recipes

    Shared aroma: isobutyraldehyde (malty, green).

  2. Butter + almondtop 11% of all pairs
    Smell alikemoderate
    Cooked together9,245 recipes

    Shared aroma: 2,3-pentanedione (butter, sweet).

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

    Shared aroma: isobutyraldehyde (malty, green).

  4. Sugar + flourtop 15% of all pairs
    Smell alikemoderate
    Cooked together92,116 recipes

    Shared aroma: phenylacetaldehyde (hawthorne, honey).

  5. Flour + eggtop 15% of all pairs
    Smell alikelow
    Cooked together106,462 recipes

    Shared aroma: isobutyraldehyde (malty, green).

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

Sweet butter
Adds fat and richness, giving the dough a tender, crumbly texture.
Flour
Provides the structure that holds the dough together as it bakes.
Egg yolks
Add richness and fat, helping bind the dough and keep it tender.
Granulated sugar
Sweetens the dough and helps it brown lightly in the oven.
Chopped almonds
Add crunch and a nutty flavor to the sprinkled topping.

The step that matters

Add the egg yolks without beating and mix until smooth. Overworking the dough after the yolks go in develops gluten, which makes the cookies tough instead of tender. Mixing just until smooth keeps the texture short and delicate.

“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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