Name: Chocolate Roll
Ingredients: 5 Eggs, separated; 1/2 tsp Salt; 1/2 cup Sugar; 1/3 cup Cocoa, sifted; Soft chocolate frosting/filling or Sweetened whipped cream

Why it works: Cocoa and chocolate work together. They rank in the top 9% of all ingredient pairs, and cooks put them together in 165 recipes. Both carry 2-ethyl-3,6-dimethylpyrazine, which smells roasted, nutty. The science ↓

Chocolate Roll

Ingredients

Directions

Beat whites and salt till soft peaks form.
Add sugar and beat till stiff.
Invert pan onto towel dusted iwith sifted cocoa or powdered sugar.

Nutrition, whole recipe (rough)

333Calories

8 gProtein

19 gFat

31 gCarbs

What these numbers assume: 5 portions

Ingredient	Portion assumed	kcal
Chocolate	1 oz (28g) semisweet	155
Egg	1 large egg (50g)	78
Cream	1 tbsp (15ml) heavy	51
Sugar	1 tbsp (12.5g) granulated	49
Salt	1 tsp (6g)	0

One typical portion per ingredient; the recipe's quantities are not counted. A rough guide only, not for medical or dietary planning.

Recipe from the Recipes Wiki (Fandom).

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.

Cocoa + chocolatetop 9% of all pairs

Smell alikemoderate

Cooked together165 recipes

Shared aroma: 2-ethyl-3,6-dimethylpyrazine (roasted, nutty).
Sugar + chocolatetop 13% of all pairs

Smell alikemoderate

Cooked together15,404 recipes

Shared aroma: guaiacol (smoky, sweet).
Egg + sugartop 21% of all pairs

Smell alikemoderate

Cooked together122,807 recipes

Shared aroma: 2-nonenal (fatty, green).
Egg + chocolatetop 24% of all pairs

Smell alikemoderate

Cooked together11,448 recipes

Shared aroma: 2-heptenal (green).
Sugar + cocoatop 27% of all pairs

Smell alikelow

Cooked together956 recipes

Shared aroma: beta-damascenone (apple, rose).