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 ↓
Ribbon 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 pink batter
Preheat the oven to 350°F (175°C).
In a bowl, beat the whites of 6 eggs until stiff.
Gradually add 1½ cups sugar and continue beating.
Mix in ½ cup butter, ½ cup sweet milk, 2 cups flour, and 2 teaspoons baking powder.
Color half of the batter with 1 drop of cochineal.
Make the dark batter
In another bowl, beat the yolks of 6 eggs.
Add 1½ cups sugar, ½ cup butter, ½ cup sweet milk, 2½ cups flour, 2 teaspoons baking powder, and grated chocolate.
Flavor both batters with vanilla.
Bake and make the icing
Pour the pink batter into one layer.
Pour the dark batter into another layer.
Bake until a toothpick comes out clean.
For the icing, boil 2 cups sugar and ¼ cup water until thick.
Pour the icing over the whites of 4 eggs.
Beat until cool.
Flavor with vanilla.
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).
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Butter + flourtop 12% of all pairsSmell alikelowCooked together124,287 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Sugar + chocolatetop 13% of all pairsSmell alikemoderateCooked together15,404 recipes
Shared aroma: guaiacol (smoky, sweet).
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Milk + chocolatetop 13% of all pairsSmell alikemoderateCooked together9,128 recipes
Shared aroma: gamma-nonanolactone (coconut, sweet).
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Milk + flourtop 14% of all pairsSmell alikelowCooked together78,219 recipes
Shared aroma: isobutyraldehyde (malty, green).
Butter and flour 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
- Eggs
- Whites beaten to stiff foam give the cake its light, airy structure.
- Flour
- Provides the main structure that holds the cake's crumb together as it bakes.
- Butter
- Adds fat for a tender texture and richer flavor in the crumb.
- Baking powder
- Releases gas as it heats, helping the batter rise into a lighter cake.
- Sugar
- Sweetens the cake and helps stabilize the beaten egg whites.
- Sweet milk
- Adds moisture and helps bind the batter into a smooth, tender crumb.
The step that matters
Beat the egg whites until stiff. Stiff whites trap air that leavens the batter. Under-beaten whites produce a dense cake, and over-beaten whites turn dry and grainy before folding.
“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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