Why it works: Flour and walnut are a kitchen classic. They rank in the top 12% of all ingredient pairs, and cooks put them together in 5,873 recipes. Both carry isobutyraldehyde, which smells malty, green. 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.
Make the batter
In a bowl, mix the white flour, cornmeal, salt, baking powder, and sugar.
Add the lard and mix until crumbly.
Stir in the milk until just combined.
Bake
Pour the batter into a greased baking dish.
Bake in a preheated oven at 350°F (175°C) 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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Flour + walnuttop 12% of all pairsSmell alikemoderateCooked together5,873 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Flour + milktop 14% of all pairsSmell alikelowCooked together78,219 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Flour + sugartop 15% of all pairsSmell alikemoderateCooked together92,116 recipes
Shared aroma: phenylacetaldehyde (hawthorne, honey).
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Walnut + milktop 16% of all pairsSmell alikemoderateCooked together3,236 recipes
Shared aroma: 1-hexanal (fruit).
-
Sugar + milktop 18% of all pairsSmell alikelowCooked together77,875 recipes
Shared aroma: 2-nonenal (fatty, green).
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
- Cornmeal
- Gives the cake its coarse, grainy texture and characteristic corn flavor.
- White flour
- Provides structure so the batter holds together as it bakes.
- Baking powder
- Releases gas in the batter, helping the cake rise and turn light.
- Lard
- Adds fat that tenderizes the crumb and makes it crumbly.
- Milk
- Moistens the dry ingredients into a batter and adds richness.
- Sugar
- Adds sweetness and helps the crust brown as it bakes.
The step that matters
Stir in the milk until just combined. Overmixing once the liquid is added develops gluten in the flour, which can make the cake tough and dense. Mix only until no dry streaks remain.
Swap the walnut
How well each one fits the dish's main ingredients (flour, sugar, milk):
- Almondfits better
- Chestnutfits better
- Milletfits better
- Walnutthe original
Fit is the average pairing score against flour, sugar, milk. 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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