Why it works: Parsley and lemon match in chemistry and in kitchens. They rank in the top 1% of all ingredient pairs, and 14,037 recipes mention both. Both carry beta-phellandrene, which smells minty, terpene. The science ↓
Sole Au Gratin
Ingredients
Directions
The book says “a moderate oven”. The 350°F (175°C) in the steps is the modern equivalent, not the book's own figure.
Prepare the fish
Skin the sole and trim off the fins.
Nick it in three or four places on both sides.
Dry the sole well.
Assemble
Chop the parsley, shallot, and mushrooms, and mix them together.
Butter a dish.
Sprinkle half of the chopped mixture over it.
Lay the sole on the seasoned dish.
Sprinkle the remainder of the mixture over the sole.
Squeeze a little lemon juice over the fish.
Shake some brown crumbs on top.
Dot the sole with bits of butter.
Bake and serve
Place it in a 350°F (175°C) oven.
Bake for ten minutes.
Transfer the cooked sole to a clean dish.
Pour the glaze around as sauce.
Garnish and serve.
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 aroma chemistry they share, and how many recipes mention both.
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Parsley + lemontop 1% of all pairsAroma overlapstrongMentioned together14,037 recipes
Shared aroma: beta-phellandrene (minty, terpene).
-
Parsley + shallottop 1% of all pairsAroma overlapstrongMentioned together3,737 recipes
Shared aroma: 2,4-decadienal (seaweed).
-
Parsley + peppertop 2% of all pairsAroma overlapstrongMentioned together34,122 recipes
Shared aroma: 4'-methylacetophenone (bitter almond).
-
Lemon + peppertop 3% of all pairsAroma overlapstrongMentioned together27,047 recipes
Shared aroma: trans-2-nonenal (cardboard, fatty).
-
Shallot + mushroomtop 4% of all pairsAroma overlapmoderateMentioned together1,982 recipes
Shared aroma: 2,4-decadienal (seaweed).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Sole
- The main fish, which cooks gently and turns flaky when baked.
- Butter
- Adds richness and moisture, and helps the crumbs brown in the oven.
- Mushrooms
- Add earthy flavour and moisture to the topping as they cook.
- Brown crumbs
- Form a crisp, golden crust on top of the fish.
- Glaze
- Provides a rich, savoury sauce served alongside the baked fish.
The step that matters
Dry the sole well. Surface moisture on the fish turns to steam and dilutes the seasoning and crumbs, so the topping will not brown properly. Patting the fish dry before assembling helps it crisp.
“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.
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