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Dessert

Lemon Wafers

A sweet, lemon‑flavored wafer made by baking a lemon‑sugar‑egg white mixture on wafer paper.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 4 ingredients
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Why it works: Lemon and sugar are a kitchen classic. They rank in the top 18% of all ingredient pairs, and cooks put them together in 53,532 recipes. Both carry 2-nonenal, which smells fatty, green. The science ↓

Lemon Wafers

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 mixture

  1. Squeeze the juice from the lemons into a bowl.

  2. Pound the sugar.

  3. Sift the sugar.

  4. Mix the sugar with the lemon juice.

  5. Add the egg white.

  6. Mix well with a wooden spoon until thick.

Shape the wafers

  1. Place a sheet of wafer paper on a baking sheet.

  2. Spread a spoonful of the mixture evenly over the wafer paper.

  3. Cut the mixture into twelve pieces.

  4. Place the baking sheet in a preheated oven at 400°F (200°C) with the paste side up.

Dry and curl

  1. When the edges start to curl, carefully remove them.

  2. Stand them upright in a sieve.

  3. Let them dry in the oven for one day until fully curled.

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. Lemon + sugartop 18% of all pairs
    Smell alikelow
    Cooked together53,532 recipes

    Shared aroma: 2-nonenal (fatty, green).

  2. Lemon + eggtop 19% of all pairs
    Smell alikelow
    Cooked together44,316 recipes

    Shared aroma: (e,e)-2,4-decadienal (fatty, deep fried).

  3. Sugar + eggtop 21% of all pairs
    Smell alikemoderate
    Cooked together122,807 recipes

    Shared aroma: 2-nonenal (fatty, green).

Lemon and sugar barely smell alike, yet cooks put them together in 53,532 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

Lemons
Supply the juice that gives the wafers their sharp, fresh citrus flavour.
Sugar
Sweetens the wafers and, as it dries, helps them set crisp.
Egg white
Adds body to the mixture so it thickens and holds together when spread.
Wafer paper
Serves as the edible base that carries the thin layer through baking.

The step that matters

Removing the wafers as the edges start to curl. The sugar mixture is still pliable while warm, so it can be shaped. As it cools it hardens, so the wafers must be lifted and shaped at the right moment, before they set flat or stiff.

Swap the lemon

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

  1. Vanillafits better
  2. Raisinfits about as well
  3. Lemonthe original
  4. Datesfits less well

Fit is the average pairing score against sugar, egg. 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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