Why it works: Cream and flour are a kitchen classic. They rank in the top 20% of all ingredient pairs, and cooks put them together in 30,481 recipes. Both carry acetaldehyde, which smells pungent, ethereal. The science ↓
Soda Biscuit
Ingredients
Directions
The book gives no oven temperature. The 400°F (200°C) in the steps was added when the recipe was transcribed, as a starting point.
Prepare
Preheat the oven to 400°F (200°C).
Make the dough
In a bowl, mix the sour cream and baking soda.
Gradually add flour until the dough is soft.
Roll the dough out to a thin layer.
Cut into desired shapes and place on a baking sheet.
Bake
Bake until golden brown.
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.
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Cream + flourtop 20% of all pairsSmell alikemoderateCooked together30,481 recipes
Shared aroma: acetaldehyde (pungent, ethereal).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Sour cream
- Adds moisture and tang, and its acidity reacts with the baking soda.
- Baking soda
- Reacts with the sour cream's acid to release carbon dioxide, which lifts the biscuits.
- Flour
- Provides structure as its starch and proteins set in the oven.
The step that matters
Add the flour gradually and stop once the dough is soft. Overworking dough that has flour and liquid develops gluten, which makes baked biscuits tough and dense rather than tender. Adding flour gradually lets you stop as soon as the dough holds together.
“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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