Name: Mushrooms on Toast
Ingredients: 1 tablespoon butter; 1 cup mushrooms, sliced; ¼ teaspoon salt; ¼ teaspoon pepper; 2 teaspoons mushroom juice; 1 teaspoon lemon juice; 2 tablespoons fresh parsley, chopped; 4 slices of bread, buttered

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

Cook the mushrooms

In an omelet pan, melt the butter over medium heat.
Add the sliced mushrooms and sauté until warmed through.
Season with salt, pepper, mushroom juice, and lemon juice.
Stir in the chopped parsley.

Serve

Serve the mushroom mixture hot on the 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 + breadtop 7% of all pairs

Smell alikemoderate

Cooked together27,232 recipes

Shared aroma: delta-decalactone (sweet, creamy).
Butter + mushroomtop 7% of all pairs

Smell alikemoderate

Cooked together12,525 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

Mushrooms: Provide the main bulk and earthy flavor of the topping as they soften and warm through.
Butter: Adds richness and carries flavor while cooking the mushrooms in the pan.
Mushroom juice: Concentrates mushroom flavor in the topping when added to the cooked mushrooms.
Lemon juice: Adds acidity that brightens the savory 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.