Name: Pea-nut Sandwiches
Ingredients: 1 cup fresh-roasted peanuts; 2 tablespoons melted butter; ¼ teaspoon salt; ¼ teaspoon cayenne or paprika; 8 slices of brown or white bread

Why it works: Butter and bread are a kitchen classic. They rank in the top 7% of all ingredient pairs, and cooks put them together in 27,232 recipes. Both carry delta-decalactone, which smells sweet, creamy. The science ↓

Pea-nut Sandwiches

Ingredients

1 cup fresh-roasted peanuts
2 tablespoons melted butter
¼ teaspoon salt
¼ teaspoon cayenne or paprika
8 slices of brown or white bread

Directions

Make the peanut paste

Skin the fresh-roasted peanuts and pound them finely.
Mix the peanuts with melted butter, salt, and cayenne or paprika to form a paste.

Assemble

Spread the mixture between thin squares, triangles, or bars of 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.

Butter + breadtop 7% of all pairs

Smell alikemoderate

Cooked together27,232 recipes

Shared aroma: delta-decalactone (sweet, creamy).
Peanut + breadtop 15% of all pairs

Smell alikemoderate

Cooked together97 recipes

Shared aroma: 2-acetyl-1-pyrroline (popcorn, roasted).
Peanut + buttertop 16% of all pairs

Smell alikemoderate

Cooked together1,754 recipes

Shared aroma: trans-2-decenal (waxy, orange).

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

What each ingredient does

Fresh-roasted peanuts: Provide the main body and nutty flavor of the filling.
Melted butter: Binds the pounded peanuts into a spreadable paste and adds richness.
Bread: Acts as the structure that holds the peanut paste.