Name: Mushrooms on Toast
Ingredients: 1 small piece of butter; 1 handful of mushrooms; Salt to taste; Pepper to taste; 2 teaspoons mushroom juice; Juice of 1 lemon; Chopped parsley; Thin buttered toast

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

Heat the butter in an omelet pan.
Add the mushrooms and toss them until warmed through.
Season with salt and pepper.
Stir in the mushroom juice, lemon juice, and chopped parsley.
Serve hot on pieces of thin buttered toast.

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).
Pepper + parsleytop 2% of all pairs

Smell alikestrong

Cooked together34,122 recipes

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

Smell alikestrong

Cooked together27,047 recipes

Shared aroma: trans-2-nonenal (cardboard, fatty).
Butter + mushroomtop 7% of all pairs

Smell alikemoderate

Cooked together12,525 recipes

Shared aroma: trans-2-decenal (waxy, orange).
Mushroom + peppertop 11% of all pairs

Smell alikemoderate

Cooked together13,580 recipes

Shared aroma: 2-nonenal (fatty, green).

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

What each ingredient does

Mushrooms: Provide the main body of the topping, releasing moisture and savory flavor as they warm.
Mushroom juice: Adds concentrated mushroom flavor and moisture to the topping.
Lemon juice: Adds acidity that brightens the rich, earthy mushroom flavor.

“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.