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Patent Cream Crackers

A cracker made from flour, eggs, lard, ammonia, and water, boiled then baked.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 5 ingredients
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Why it works: Flour and egg are a kitchen classic. They rank in the top 15% of all ingredient pairs, and cooks put them together in 106,462 recipes. Both carry isobutyraldehyde, which smells malty, green. The science ↓

Patent Cream Crackers

Oven, in the book's wordsA slow oven

Ingredients

Directions

The book says “a slow oven”. The 350°F (175°C) in the steps is the modern equivalent, not the book's own figure.

Make the dough

  1. Mix all ingredients together well.

  2. Roll out the dough using a rolling pin.

  3. Cut the dough into cracker shapes.

Boil and bake

  1. Boil the crackers in boiling water for 3 minutes.

  2. Dry the crackers and bake in a moderate oven at 350°F (175°C) for 15 minutes.

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

    Shared aroma: isobutyraldehyde (malty, green).

Flour and egg barely smell alike, yet cooks put them together in 106,462 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

Flour
Forms the main structure of the dough, giving the crackers their body and crispness.
Eggs
Bind the dough and add richness, helping it hold its shape when rolled and cut.
Lard
Adds fat that shortens gluten strands, giving a tender, crisp texture.
Ammonia
Breaks down into gas during baking, helping the crackers rise and lighten.

The step that matters

Boil the crackers for 3 minutes. Brief boiling gelatinizes the starch on the cracker surface, which sets the shape and affects how the crust browns and blisters in the oven. Timing matters so the crackers are set but not soggy before drying and baking.

“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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