Name: Quaker Oats Biscuits
Ingredients: 1 lb Quaker Oats; ½ lb self-raising flour; 1 lb all-purpose flour; 1 lb butter; ¼ teaspoon salt; ½ lb sugar; 1 egg; water as needed

Why it works: Flour and butter are a kitchen classic. They rank in the top 12% of all ingredient pairs, and cooks put them together in 124,287 recipes. Both carry isobutyraldehyde, which smells malty, green. The science ↓

Quaker Oats Biscuits

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.

Prepare the dough

Preheat the oven to 350°F (175°C).
In a large bowl, mix the dry ingredients: Quaker Oats, self-raising flour, all-purpose flour, sugar, and salt.
Rub in the butter until the mixture resembles coarse crumbs.
Add the egg and mix to form a stiff dough, adding water if necessary.

Shape and bake

Roll out the dough very thin and cut into desired shapes.
Place on a baking sheet and bake in the preheated oven until golden.

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.

Flour + buttertop 12% of all pairs

Smell alikelow

Cooked together124,287 recipes

Shared aroma: isobutyraldehyde (malty, green).
Oats + buttertop 12% of all pairs

Smell alikemoderate

Cooked together2,939 recipes

Shared aroma: ethyl octanoate (fruity, wine).
Flour + sugartop 15% of all pairs

Smell alikemoderate

Cooked together92,116 recipes

Shared aroma: phenylacetaldehyde (hawthorne, honey).
Flour + eggtop 15% of all pairs

Smell alikelow

Cooked together106,462 recipes

Shared aroma: isobutyraldehyde (malty, green).
Butter + eggtop 17% of all pairs

Smell alikemoderate

Cooked together118,967 recipes

Shared aroma: decanal (soap, orange peel).

Flour and butter barely smell alike, yet cooks put them together in 124,287 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

Quaker oats: Provides the main body and a toasty, hearty texture in the biscuits.
Butter: Adds fat that shortens the dough, making the biscuits tender and rich.
All-purpose flour: Builds the structure that holds the biscuits together as they bake.
Self-raising flour: Contains built-in leavening that helps the biscuits rise slightly and stay light.
Sugar: Adds sweetness and helps the biscuits brown to a golden colour.
Egg: Binds the dough together and adds richness and structure.

The step that matters

Roll out the dough very thin. Thin dough bakes through and crisps evenly; thick pieces stay soft in the centre and may not spread or brown properly.

“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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Quaker Oats Biscuits