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Rye Biscuit

A rye-based biscuit made with molasses, sour milk, and saleratus, baked until golden.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 7 ingredients
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Why it works: Rye and flour match in chemistry and in kitchens. They rank in the top 8% of all ingredient pairs, and cooks put them together in 1,320 recipes. Both carry isobutyraldehyde, which smells malty, green. The science ↓

Rye Biscuit

Oven, in the book's wordsA quick oven

Ingredients

Directions

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

Make the dough

  1. In a bowl, combine rye meal, flour, molasses, egg, salt, and sour milk.

  2. Mix in saleratus until well combined.

Shape and bake

  1. Shape the dough into biscuits.

  2. Place on a baking sheet and let rise for a short time.

  3. Bake in a preheated oven at 350°F (175°C) until golden brown.

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. Rye + flourtop 8% of all pairs
    Smell alikestrong
    Cooked together1,320 recipes

    Shared aroma: isobutyraldehyde (malty, green).

  2. Rye + milktop 12% of all pairs
    Smell alikemoderate
    Cooked together918 recipes

    Shared aroma: ethyl 2-methylbutyrate (fruity, apple).

  3. Flour + milktop 14% of all pairs
    Smell alikelow
    Cooked together78,219 recipes

    Shared aroma: isobutyraldehyde (malty, green).

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

    Shared aroma: isobutyraldehyde (malty, green).

  5. Flour + molassestop 16% of all pairs
    Smell alikemoderate
    Cooked together10,429 recipes

    Shared aroma: ethanol (alcoholic, ethereal).

Flour and milk barely smell alike, yet cooks put them together in 78,219 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

Rye meal
Gives the biscuits their earthy flavor and a dense, tender crumb, since rye has little gluten.
All-purpose flour
Provides gluten for structure, so the biscuits hold their shape while baking.
Molasses
Adds sweetness and moisture, and helps the surface brown in the oven.
Egg
Binds the dough and adds structure and richness to the crumb.
Sour milk
Its acidity reacts with the saleratus to produce gas that lifts the biscuits.
Saleratus
Acts as a leavening agent, releasing gas that makes the biscuits rise.

The step that matters

Mix in saleratus until well combined. Saleratus reacts with the acid in the sour milk to release gas right away. Mixing it evenly spreads the leavening through the dough so the biscuits rise uniformly, and shaping and baking should follow promptly.

“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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