Name: Pepper and Fruit Salad
Ingredients: Equal number of red and green peppers; Grapefruit pulp; Malaga grapes, skinned and seeded; English walnut meat, broken in pieces; Mayonnaise dressing; Watercress for serving

Why it works: Walnut and watercress share more aroma than cooks usually use. They rank in the top 4% of all ingredient pairs, and cooks put them together in 71 recipes. Both carry coumarin, which smells sweet, hay. The science ↓

Pepper and Fruit Salad

Ingredients

Equal number of red and green peppers
Grapefruit pulp
Malaga grapes, skinned and seeded
English walnut meat, broken in pieces
Mayonnaise dressing
Watercress for serving

Directions

Prepare the peppers

Cut long peppers in halves crosswise or slice ends off short peppers.
Remove seeds from the peppers.

Fill and serve

Fill pepper cases with grapefruit pulp, grapes, and walnut meat, using twice as much grapefruit as grapes and nuts.
Moisten the filling with mayonnaise dressing.
Arrange on a bed of watercress.

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.

Walnut + watercresstop 4% of all pairs

Smell alikestrong

Cooked together71 recipes

Shared aroma: coumarin (sweet, hay).
Grapefruit + watercresstop 7% of all pairs

Smell alikestrong

Cooked together13 recipes

Shared aroma: coumarin (sweet, hay).
Grapefruit + grapetop 8% of all pairs

Smell alikemoderate

Cooked together79 recipes

Shared aroma: 1-p-menthene-8-thiol (grapefruit).
Grape + walnuttop 8% of all pairs

Smell alikemoderate

Cooked together1,427 recipes

Shared aroma: 1-hexanal (fruit).
Pepper + grapefruittop 9% of all pairs

Smell alikemoderate

Cooked together117 recipes

Shared aroma: ethyl 2-methylbutyrate (fruity, apple).

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

What each ingredient does

Grapefruit pulp: Adds juicy, acidic brightness that balances the rich dressing and mild peppers.
Malaga grapes: Add sweetness and a juicy texture to the filling.
English walnut meat: Adds crunch and a nutty flavour that contrasts with the soft fruit.
Mayonnaise dressing: Adds fat and creaminess that moistens the filling and binds it together.

Swap the grape

How well each one fits the dish's main ingredients (pepper, grapefruit, walnut, meat, watercress):

Avocadofits better
Limefits better
Lemonfits better
Grapethe original

Fit is the average pairing score against pepper, grapefruit, walnut, meat, watercress. Candidates are from the same food group and used in at least 100 recipes.

“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.