Name: Blood Orange Syrup
Ingredients: 1 ounce raspberry stock; 1 ounce orange extract; 1 ounce citric acid solution; simple syrup to fill 1 gallon

Why it works: Raspberry and orange work together. They rank in the top 8% of all ingredient pairs, and cooks put them together in 521 recipes. Both carry damascenone, which smells apple, rose. The science ↓

Blood Orange Syrup

Ingredients

1 ounce raspberry stock
1 ounce orange extract
1 ounce citric acid solution
simple syrup to fill 1 gallon

Directions

Combine raspberry stock, orange extract, and citric acid solution in a large container.
Fill the remainder of the gallon with simple syrup.
Stir well to mix all ingredients thoroughly.

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.

Raspberry + orangetop 8% of all pairs

Smell alikemoderate

Cooked together521 recipes

Shared aroma: damascenone (apple, rose).
Raspberry + syruptop 20% of all pairs

Smell alikelow

Cooked together377 recipes

Shared aroma: ethanol (alcoholic, ethereal).
Orange + syruptop 23% of all pairs

Smell alikelow

Cooked together1,179 recipes

Shared aroma: ethanol (alcoholic, ethereal).

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

What each ingredient does

Raspberry stock: Provides the main fruit flavour and aroma in the syrup.
Orange extract: Adds concentrated orange aroma and flavour to the syrup.
Citric acid solution: Adds sourness that brightens the sweetness of the simple syrup.