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Dessert

Lemon Wafers

A crisp, lemon‑flavored wafer made by baking a lemon, sugar, and 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.

Prepare

  1. Squeeze the lemons into a large bowl.

  2. Add enough double-refined pounded sugar to achieve a fine smooth thickness.

  3. Mix in the egg white thoroughly with a wooden spoon.

  4. Lay sheets of wafer paper on a baking sheet.

  5. Place a spoonful of the mixture on each sheet and spread it evenly with a knife.

  6. Cut the sheets into 8 to 12 pieces.

Bake and dry

  1. Place them across a stick in a preheated oven at 400 °F (200 °C) until they start to curl.

  2. Once half curled, remove them and set them upright in a sieve.

  3. Leave them in the hot oven for one day to curl more.

Store

  1. Store the finished wafers in a dry place.

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 and zest that give the wafers their tart, bright flavour.
Double-refined pounded sugar
Adds sweetness and, as it dissolves, helps the mixture set into a crisp sheet.
Egg white
Binds the lemon mixture together so it spreads smoothly and holds its shape.
Wafer paper
Forms the thin edible base that carries the mixture while it bakes.

The step that matters

Removing the wafers at the half-curled stage. The sugar in the mixture darkens quickly in the oven and hardens as it cools. Removing the wafers when half curled lets them be shaped while still pliable, before they set brittle.

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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