Why it works: Butter and milk are a kitchen classic. They rank in the top 7% of all ingredient pairs, and cooks put them together in 81,283 recipes. Both carry (z)-4-heptenal, which smells biscuit, cream. The science ↓
Johnny Cake
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. The book gives no cooking times either; the times in the steps were added in transcription, so check for doneness rather than trusting the clock.
Prepare
Preheat your oven to 350°F (175°C).
Make the batter
In a large bowl, combine cornmeal, flour, molasses, baking soda, butter, salt, and sour milk.
Beat the mixture well until smooth.
Pour the batter into a greased dripping pan.
Bake
Bake for about 30-40 minutes or 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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Butter + milktop 7% of all pairsSmell alikemoderateCooked together81,283 recipes
Shared aroma: (z)-4-heptenal (biscuit, cream).
-
Flour + buttertop 12% of all pairsSmell alikelowCooked together124,287 recipes
Shared aroma: isobutyraldehyde (malty, green).
-
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 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
- Cornmeal
- Provides the main structure and a coarse, crumbly texture.
- All-purpose flour
- Adds gluten-based structure so the cake holds together better than cornmeal alone.
- Molasses
- Adds sweetness, dark color, and moisture with a rich flavor.
- Baking soda
- Reacts with the sour milk to produce gas that lightens the batter.
- Sour milk
- Supplies acidity that activates the baking soda and tenderizes the crumb.
- Butter
- Adds fat for richness and a tender texture.
The step that matters
Beat the mixture well until smooth. Thorough mixing fully hydrates the cornmeal and flour and evenly distributes the baking soda, so the cake rises evenly and has no dry pockets or lumps.
“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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