Name: Orange Frosting
Ingredients: 1 orange (rind and juice); confectioners' sugar (to thicken)

Why it works: Orange and sugar are a kitchen classic. They rank in the top 20% of all ingredient pairs, and cooks put them together in 19,212 recipes. Both carry beta-damascenone, which smells apple, rose. The science ↓

Orange Frosting

Ingredients

1 orange (rind and juice)
confectioners' sugar (to thicken)

Directions

Grate the rind of half an orange.
Squeeze the juice from the orange and remove the seeds.
Stir the juice and grated rind into confectioners' sugar until thick enough to spread.

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.

Orange + sugartop 20% of all pairs

Smell alikelow

Cooked together19,212 recipes

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

Orange and sugar barely smell alike, yet cooks put them together in 19,212 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

Orange: Its juice and rind provide the flavour and acidity that give the frosting its citrus taste.
Confectioners' sugar: Dissolves into the orange juice and thickens it into a spreadable frosting.

“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.