Name: Hot Chocolate
Ingredients: 1 ounce chocolate syrup No. 2; 3 ounces milk; hot soda; 1 spoonful rich cream

Why it works: Chocolate and cream are a kitchen classic. They rank in the top 11% of all ingredient pairs, and cooks put them together in 5,466 recipes. Both carry delta-decalactone, which smells sweet, creamy. The science ↓

Hot Chocolate

Ingredients

1 ounce chocolate syrup No. 2
3 ounces milk
hot soda
1 spoonful rich cream

Directions

Combine the chocolate syrup and milk in a mug.
Fill the mug with hot soda.
Top with a spoonful of rich cream.

Recipe from a historical cookbook (Internet Archive).

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.

Chocolate + creamtop 11% of all pairs

Smell alikemoderate

Cooked together5,466 recipes

Shared aroma: delta-decalactone (sweet, creamy).
Syrup + creamtop 12% of all pairs

Smell alikemoderate

Cooked together1,964 recipes

Shared aroma: ethanol (alcoholic, ethereal).
Chocolate + milktop 13% of all pairs

Smell alikemoderate

Cooked together9,128 recipes

Shared aroma: gamma-nonanolactone (coconut, sweet).
Chocolate + syruptop 15% of all pairs

Smell alikelow

Cooked together1,239 recipes

Shared aroma: ethanol (alcoholic, ethereal).
Milk + creamtop 18% of all pairs

Smell alikemoderate

Cooked together29,399 recipes

Shared aroma: delta-dodecalactone (sweet, creamy).

Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs

What each ingredient does

Chocolate syrup no. 2: Provides the chocolate flavour and sweetness that defines the drink.
Milk: Adds creaminess and body, softening the sharpness of the soda.
Hot soda: Supplies the liquid base and fizz that lifts the chocolate flavour.
Rich cream: Adds richness and a cool, smooth layer on top of the hot drink.

“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.