Why it works: Buttermilk and flour are a kitchen classic. They rank in the top 8% of all ingredient pairs, and cooks put them together in 3,721 recipes. Both carry ethanol, which smells alcoholic, ethereal. The science ↓
Johnny Cake
Ingredients
Directions
The book says “a quick oven”. The 400°F (200°C) in the steps is the modern equivalent, not the book's own figure.
Prepare
Preheat your oven to 400°F (200°C).
Make and bake
In a large bowl, combine buttermilk, Indian meal, flour, molasses, baking soda, and salt. Mix until well combined.
Pour the batter into shallow pans.
Bake in the preheated oven 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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Buttermilk + flourtop 8% of all pairsSmell alikemoderateCooked together3,721 recipes
Shared aroma: ethanol (alcoholic, ethereal).
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Buttermilk + molassestop 11% of all pairsSmell alikemoderateCooked together526 recipes
Shared aroma: ethanol (alcoholic, ethereal).
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Flour + milktop 14% of all pairsSmell alikelowCooked together78,219 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Flour + molassestop 16% of all pairsSmell alikemoderateCooked together10,429 recipes
Shared aroma: ethanol (alcoholic, ethereal).
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Molasses + milktop 21% of all pairsSmell alikelowCooked together7,243 recipes
Shared aroma: furaneol (caramel, strawberry).
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
- Buttermilk or sour milk
- Its acid reacts with baking soda to produce gas, helping the cake rise and turn tender.
- Indian meal
- Cornmeal gives the cake its coarse, grainy texture and characteristic corn flavor.
- Flour
- Provides structure so the batter holds together as it bakes.
- Molasses
- Adds sweetness, moisture, and deep color through browning.
- Baking soda
- Reacts with the acid in the milk to leaven the batter.
The step that matters
Adding the baking soda. Baking soda needs an acid to react and release carbon dioxide. The amount must match the acidity of the milk: too much leaves a soapy, metallic taste and a coarse crumb, while too little gives a dense, flat cake.
“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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