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Dessert

Rock Biscuit

A sweet biscuit with raisins, nuts, currants, and spices baked into a drop cake.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 15 ingredients
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Why it works: Raisin and cinnamon are a kitchen classic. They rank in the top 1% of all ingredient pairs, and cooks put them together in 5,390 recipes. Both carry 1-octen-3-ol, which smells mushroom, earthy. The science ↓

Rock Biscuit

Ingredients

Directions

The book gives no oven temperature. The 350°F (175°C) in the steps was added when the recipe was transcribed, as a starting point.

Prepare

  1. Preheat your oven to 350°F (175°C).

Make the batter

  1. In a bowl, cream together the sugar and butter.

  2. Beat in the eggs one at a time.

  3. Stir in the raisins, chopped nuts, currants, and sweet milk.

  4. Add the baking powder, cinnamon, nutmeg, and extracts.

  5. Gradually mix in the flour until the dough is stiff enough for drop cakes.

Bake

  1. Drop spoonfuls of the batter onto a greased baking pan.

  2. Bake 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. Raisin + cinnamontop 1% of all pairs
    Smell alikemoderate
    Cooked together5,390 recipes

    Shared aroma: 1-octen-3-ol (mushroom, earthy).

  2. Butter + milktop 7% of all pairs
    Smell alikemoderate
    Cooked together81,283 recipes

    Shared aroma: (z)-4-heptenal (biscuit, cream).

  3. Milk + cinnamontop 10% of all pairs
    Smell alikemoderate
    Cooked together12,655 recipes

    Shared aroma: cuminaldehyde (Spicy, cumin).

  4. Raisin + nutstop 10% of all pairs
    Smell alikemoderate
    Cooked together490 recipes

    Shared aroma: decanal (soap, orange peel).

  5. Sugar + cinnamontop 10% of all pairs
    Smell alikelow
    Cooked together30,779 recipes

    Shared aroma: guaiacol (smoky, sweet).

Sugar and cinnamon barely smell alike, yet cooks put them together in 30,779 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

Butter
Creams with sugar to create a tender, rich texture in the dough.
Eggs
Bind the batter and add structure and richness as they are beaten in.
Flour
Provides the structure that makes the dough stiff enough to hold its drop shape.
Baking powder
Releases gas in the batter, helping the biscuits rise and become light.
Sugar
Sweetens the dough and helps it brown during baking.
Raisins
Add moisture and sweetness to the dough as they are mixed in.

The step that matters

Gradually mix in the flour. Adding flour in small amounts lets you judge the dough's stiffness. Too much flour makes the biscuits dry and dense, while too little leaves them spreading and soft.

Swap the currant

How well each one fits the dish's main ingredients (sugar, butter, egg, raisin, nuts, milk, cinnamon):

  1. Vanillafits better
  2. Figfits better
  3. Coconutfits better
  4. Currantthe original

Fit is the average pairing score against sugar, butter, egg, raisin, nuts, milk, cinnamon. 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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