Why it works: Milk and egg are a kitchen classic. They rank in the top 18% of all ingredient pairs, and cooks put them together in 88,785 recipes. Both carry 2-nonenal, which smells fatty, green. 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 the oven to 400°F (200°C).
Make the batter
In a bowl, mix sour milk, molasses, egg, and baking soda.
Gradually add cornmeal until you achieve a thin batter.
Bake
Pour the batter into a greased baking dish.
Bake for 20 to 30 minutes 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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Milk + eggtop 18% of all pairsSmell alikemoderateCooked together88,785 recipes
Shared aroma: 2-nonenal (fatty, green).
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Milk + molassestop 21% of all pairsSmell alikelowCooked together7,243 recipes
Shared aroma: furaneol (caramel, strawberry).
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Molasses + eggtop 34% of all pairsSmell alikelowCooked together6,879 recipes
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Sour milk
- Its acidity reacts with baking soda, producing gas that lifts the batter.
- Baking soda
- Reacts with the acid in sour milk to produce carbon dioxide for rising.
- Egg
- Binds the batter and adds structure as it sets in the oven.
- Molasses
- Adds sweetness, moisture, and color that deepens browning.
- Cornmeal
- Provides the main body and grainy texture of the cake.
The step that matters
Gradually add cornmeal until a thin batter forms. Cornmeal absorbs liquid slowly and varies in moisture, so adding it gradually keeps the batter at the intended thin consistency. A batter that is too thick may bake dense and dry.
“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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