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 ↓
Delicate 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.
Mix the batter
Sift the flour several times and measure after sifting.
In a bowl, cream together the sugar and butter.
Add the milk and mix well.
Stir in the flour and baking powder until combined.
Gently fold in the beaten egg whites and peach extract.
Bake
Pour the batter into shallow tins.
Bake at 350°F (175°C) until golden and a toothpick comes out clean.
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.
Photo for illustrative purposes only · Contact us to use it
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.
-
Butter + milktop 7% of all pairsSmell alikemoderateCooked together81,283 recipes
Shared aroma: (z)-4-heptenal (biscuit, cream).
-
Milk + peachtop 10% of all pairsSmell alikemoderateCooked together781 recipes
Shared aroma: phellandrene (minty).
-
Butter + flourtop 12% of all pairsSmell alikelowCooked together124,287 recipes
Shared aroma: isobutyraldehyde (malty, green).
-
Butter + peachtop 14% of all pairsSmell alikemoderateCooked together860 recipes
Shared aroma: 2,6-nonadienal (cucumber, green).
-
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
- Egg whites
- Beaten stiff, they trap air that lifts and lightens the cake's crumb.
- Baking powder
- Releases gas in the batter, helping the cake rise in the oven.
- Flour
- Provides the starch and gluten that give the cake its structure.
- Butter
- Creamed with sugar, it adds fat that gives tenderness and richness.
- Sugar
- Creamed with butter, it sweetens and helps create a fine, even texture.
The step that matters
Gently fold in the beaten egg whites. Folding rather than stirring keeps the air bubbles in the stiff egg whites intact. Those bubbles provide much of the cake's lift, so deflating them yields a dense result.
Swap the peach
How well each one fits the dish's main ingredients (sugar, butter, milk, flour, egg):
- Vanillafits better
- Raisinfits better
- Figfits about as well
- Peachthe original
Fit is the average pairing score against sugar, butter, milk, flour, egg. 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.
You might also like
The free Flavor Lab newsletter: one surprising pairing a week and the molecular reason it works, in 60 seconds. No spam, unsubscribe anytime.
Prefer an account? Create a free account to save pairings and unlock the full chemistry.

Peach Ice Cream64 recipes
Peach Fritters55 recipes
Peach Meringue40 recipes
Peach Ice16 recipes