Why it works: Bread and butter 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 ↓
The Girard Nut Sandwich
Ingredients
Directions
Spread butter on each slice of bread.
Place a thin slice of Gruyere cheese on each slice.
Cover the cheese with peeled walnuts.
Sprinkle a little coarse sea salt over the walnuts.
Add another thin slice of cheese on top of the nuts.
Top with another slice of buttered bread.
Press the slices together to hold the nuts in place.
Serve with fine sherry.
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.
-
Bread + buttertop 7% of all pairsSmell alikemoderateCooked together27,232 recipes
Shared aroma: delta-decalactone (sweet, creamy).
-
Butter + gruyere cheesetop 9% of all pairsSmell alikemoderateCooked together323 recipes
Shared aroma: gamma-decalactone (peach, creamy).
-
Butter + walnuttop 15% of all pairsSmell alikemoderateCooked together6,832 recipes
Shared aroma: eucalyptol (eucalyptus, herbal).
-
Bread + gruyere cheesetop 15% of all pairsSmell alikemoderateCooked together38 recipes
Shared aroma: ethyl caproate (fruity, apple peel).
-
Bread + walnuttop 17% of all pairsSmell alikemoderateCooked together714 recipes
Shared aroma: 2-undecenal (sweet).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
Swap the walnut
How well each one fits the dish's main ingredients (bread, butter, gruyere cheese):
- Peasfits about as well
- Walnutthe original
- Almondfits about as well
- Lima beansfits about as well
Fit is the average pairing score against bread, butter, gruyere cheese. Candidates are from the same food group and used in at least 100 recipes.
More walnut sandwich recipes
You might also like
The free Flavor Lab newsletter: one surprising pairing a week and the molecular reason it works, in 60 seconds. No spam, unsubscribe anytime.
Prefer an account? Create a free account to save pairings and unlock the full chemistry.
Brown Bread461 recipes
Macaroni and Cheese102 recipes
White Bread80 recipes
Bread Omelette60 recipes