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 ↓
Jelly Roll
Ingredients
Directions
Make the sponge
Separate the eggs.
Beat the yolks until creamy.
Add the sugar and beat together.
Beat the whites until very stiff and dry and add to the yolks.
Sift in the flour and stir quickly.
Paper a large shallow pan.
Bake twenty minutes.
Fill and roll
While still warm, cut off the edges, spread with any kind of jelly and roll up.
Pin a towel around it and put in a cool place.
Cut with a sharp knife.
Make the cookies
Stir the butter into the sugar.
Beat the eggs and add to the sugar.
Add the milk.
Sift the baking powder with one cupful of flour and add to the mixture.
Add enough more flour to make a dough.
Roll out on a well-floured board and cut into shape.
Bake in a quick oven.
Nutrition, whole recipe (rough)
What these numbers assume: 5 portions
| Ingredient | Portion assumed | kcal |
|---|---|---|
| Flour | 1 cup (125g) all-purpose | 455 |
| Milk | 1 cup (244ml) whole | 149 |
| Butter | 1 tbsp (14g) | 102 |
| Egg | 1 large egg (50g) | 78 |
| Sugar | 1 tbsp (12.5g) granulated | 49 |
One typical portion per ingredient; the recipe's quantities are not counted. A rough guide only, not for medical or dietary planning.
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. See the original page.
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).
-
Butter + flourtop 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).
-
Flour + sugartop 15% of all pairsSmell alikemoderateCooked together92,116 recipes
Shared aroma: phenylacetaldehyde (hawthorne, honey).
-
Flour + eggtop 15% of all pairsSmell alikelowCooked together106,462 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 trap air for lightness, while yolks add richness and structure to the sponge.
- Flour
- Forms the structure that holds the sponge and the dough together.
- Sugar
- Adds sweetness and helps beaten eggs hold a lighter, creamier texture.
- Butter
- Adds fat for tenderness and rich flavor in the cookies.
- Baking powder
- Releases gas in the batter so the cookies rise and turn tender.
- Milk
- Adds moisture so the dough comes together and stays soft.
The step that matters
Sift in the flour and stir quickly. The whipped egg whites hold the sponge's air bubbles, which give it lift. Overmixing after the flour goes in deflates them, leaving a dense, flat roll that may crack when rolled.
“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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