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Lebanon Rusk

A rusk made from mashed potatoes, yeast, sugar, eggs, butter, lard, and flour, shaped into cakes and baked.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 7 ingredients
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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 ↓

Lebanon Rusk

Ingredients

Directions

Make the dough

  1. Mash the potatoes and mix in the sugar, yeast, and eggs.

  2. Let the mixture rise.

  3. Add the butter, lard, and enough flour to form a soft dough.

  4. Allow the dough to rise again.

Shape and bake

  1. Mould the dough into small cakes and let them rise before baking.

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

    Shared aroma: isobutyraldehyde (malty, green).

  2. Potato + buttertop 13% of all pairs
    Smell alikemoderate
    Cooked together6,456 recipes

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

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

    Shared aroma: phenylacetaldehyde (hawthorne, honey).

  4. Potato + flourtop 15% of all pairs
    Smell alikemoderate
    Cooked together5,355 recipes

    Shared aroma: isobutyraldehyde (malty, green).

  5. Egg + flourtop 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

Potatoes
Add moisture and starch that keep the dough soft and tender.
Homemade yeast
Produces gas that makes the dough rise and become light.
Sugar
Feeds the yeast and adds sweetness and browning.
Eggs
Add structure and richness, helping the dough hold its shape.
Butter
Adds fat for tenderness and flavor.
Lard
Adds fat that makes the crumb tender and short.

The step that matters

Let the dough rise fully before baking. Yeast needs time to produce gas and build structure. Under-proofed dough bakes dense, while over-proofed dough can collapse or lose its shape.

Swap the potato

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

  1. Chivefits better
  2. Leekfits better
  3. Shallotfits better
  4. Potatothe original

Fit is the average pairing score against sugar, egg, butter, flour. 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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