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Dessert

Scotch Oat Wafers

A simple oat wafer made with oats, fat, milk, baking soda, molasses, and salt, baked until crisp.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 6 ingredients
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Why it works: Oats and milk are a kitchen classic. They rank in the top 14% of all ingredient pairs, and cooks put them together in 2,119 recipes. Both carry 2,3,5-trimethylpyrazine, which smells cocoa, roasted. The science ↓

Scotch Oat Wafers

Oven, in the book's wordsA moderate oven

Ingredients

Directions

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

Make and shape the dough

  1. Mix all ingredients together until well combined.

  2. Roll out the mixture into a thin sheet.

  3. Cut the rolled dough into squares.

Bake

  1. Bake for 20 minutes in a moderate oven at 350°F (175°C).

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. Oats + milktop 14% of all pairs
    Smell alikemoderate
    Cooked together2,119 recipes

    Shared aroma: 2,3,5-trimethylpyrazine (cocoa, roasted).

  2. Milk + molassestop 21% of all pairs
    Smell alikelow
    Cooked together7,243 recipes

    Shared aroma: furaneol (caramel, strawberry).

  3. Oats + molassestop 31% of all pairs
    Smell alikelow
    Cooked together260 recipes

    Shared aroma: ethanol (alcoholic, ethereal).

Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs

What each ingredient does

Ground rolled oats
Provides the main structure and body of the wafers.
Fat
Adds tenderness and richness, helping the wafers stay crisp rather than tough.
Milk
Moistens the dry oats so the mixture binds into a rollable dough.
Baking soda
Reacts with the molasses to lighten the texture and promote browning.
Molasses
Adds sweetness, dark color and a deep flavor, and helps browning during baking.

The step that matters

Roll the dough into a thin sheet. Thin dough bakes through and turns crisp; thick dough stays soft and chewy in the middle. Even thickness also ensures the squares bake at the same rate.

“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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