Name: Mushrooms on Toast
Ingredients: 12 large cup mushrooms; butter; pepper; coarse sea salt; 12 slices of bread; lemon slices; parsley sprigs; watercress

Why it works: Lemon and parsley match in chemistry and in kitchens. They rank in the top 1% of all ingredient pairs, and cooks put them together in 14,037 recipes. Both carry beta-phellandrene, which smells minty, terpene. The science ↓

Mushrooms on Toast

Ingredients

Directions

Prepare

Cut off the root ends of the mushrooms and peel them.

Cook and season

Grill or broil the mushrooms in butter.
Season the inside of the mushrooms with pepper and coarse sea salt.

Assemble and serve

Butter the slices of bread and place a slice of lemon on each.
Dress the mushrooms on the lemon slices.
Garnish with sprigs of parsley and watercress, then serve.

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.

Lemon + parsleytop 1% of all pairs

Smell alikestrong

Cooked together14,037 recipes

Shared aroma: beta-phellandrene (minty, terpene).
Parsley + watercresstop 2% of all pairs

Smell alikestrong

Cooked together469 recipes

Shared aroma: coumarin (sweet, hay).
Pepper + parsleytop 2% of all pairs

Smell alikestrong

Cooked together34,122 recipes

Shared aroma: 4'-methylacetophenone (bitter almond).
Lemon + watercresstop 3% of all pairs

Smell alikestrong

Cooked together579 recipes

Shared aroma: coumarin (sweet, hay).
Pepper + lemontop 3% of all pairs

Smell alikestrong

Cooked together27,047 recipes

Shared aroma: trans-2-nonenal (cardboard, fatty).

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

What each ingredient does

Cup mushrooms: Provide the main body of the dish, softening and absorbing butter as they cook.
Butter: Carries heat to the mushrooms and adds richness and browning as it cooks.
Bread: Forms the crisp base that holds the mushrooms and soaks up their juices.

“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.