Name: Celery and Onion Sandwiches
Ingredients: 1 cup finely chopped celery; 1 small onion, finely chopped; Dressing of your choice; Whole wheat or white bread

Why it works: Celery and onion are a kitchen classic. They rank in the top 7% of all ingredient pairs, and cooks put them together in 18,518 recipes. Both carry guaiacol, which smells smoky, sweet. The science ↓

Celery and Onion Sandwiches

Ingredients

1 cup finely chopped celery
1 small onion, finely chopped
Dressing of your choice
Whole wheat or white bread

Directions

Prepare the filling

Finely chop the celery and onion.
Mix the chopped celery and onion with the dressing.

Assemble

Spread the mixture between slices of whole wheat or white bread.

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.

Celery + oniontop 7% of all pairs

Smell alikemoderate

Cooked together18,518 recipes

Shared aroma: guaiacol (smoky, sweet).
Celery + wheattop 12% of all pairs

Smell alikemoderate

Cooked together149 recipes

Shared aroma: 2-methoxy-4-vinylphenol (clove, smoky).
Onion + wheattop 14% of all pairs

Smell alikemoderate

Cooked together858 recipes

Shared aroma: hexanal (green, grassy).

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

What each ingredient does

Celery: Adds a crisp, fresh crunch that contrasts with the soft bread.
Onion: Adds sharp, savory aroma and flavor to the filling.
Dressing: Adds moisture and richness, binding the chopped vegetables together.