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Dessert

Orange Heart Biscuits

A sweet biscuit made with powdered sugar, egg yolks, preserved orange peels, almonds, and flour.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 9 ingredients
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Why it works: Almond and flour 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 ↓

Orange Heart Biscuits

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.

Make the batter

  1. In a bowl, combine powdered sugar and egg yolks.

  2. Pound preserved orange peels into a fine paste.

  3. Pound sweet and bitter almonds very fine and mix with a little orange water.

  4. Add the almond mixture and 4 whole eggs to the bowl and mix well with a wooden spoon until the batter is light and fluffy.

  5. Gently fold in the sifted flour until just combined.

Bake and serve

  1. Grease heart-shaped molds with butter, fill them with the batter, and dust with powdered sugar.

  2. Bake in a preheated oven at 400°F (200°C) until light and cooked through.

  3. Remove from molds while hot.

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. Almond + flourtop 5% of all pairs
    Smell alikemoderate
    Cooked together8,673 recipes

    Shared aroma: isobutyraldehyde (malty, green).

  2. Orange + almondtop 6% of all pairs
    Smell alikemoderate
    Cooked together3,125 recipes

    Shared aroma: 2,4-decadienal (seaweed).

  3. Almond + buttertop 11% of all pairs
    Smell alikemoderate
    Cooked together9,245 recipes

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

  4. Flour + buttertop 12% of all pairs
    Smell alikelow
    Cooked together124,287 recipes

    Shared aroma: isobutyraldehyde (malty, green).

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

    Shared aroma: phenylacetaldehyde (hawthorne, honey).

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

Egg yolks
Add richness and tenderness, and help the batter set into a fine crumb when baked.
Eggs
Whisked into the batter to give lightness and structure as they set in the oven.
Sifted flour
Provides the structure that holds the biscuits together once baked.
Powdered sugar
Sweetens the batter and helps create a fine, tender texture.
Sweet almonds
Add nutty flavour and body to the batter.

The step that matters

Folding in the flour. Overmixing once flour is added develops gluten and makes the biscuits tough, so fold gently and only until combined.

Swap the orange

How well each one fits the dish's main ingredients (sugar, egg, almond, flour, butter):

  1. Raisinfits better
  2. Vanillafits better
  3. Figfits better
  4. Orangethe original

Fit is the average pairing score against sugar, egg, almond, flour, butter. Candidates are from the same food group and used in at least 100 recipes.

“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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