Why it works: Pepper and lemon match in chemistry and in kitchens. They rank in the top 3% of all ingredient pairs, and cooks put them together in 27,047 recipes. Both carry trans-2-nonenal, which smells cardboard, fatty. The science ↓
Herring Roe Tit-bits
Ingredients
Directions
The book says “a quick oven”. The 400°F (200°C) in the steps is the modern equivalent, not the book's own figure.
Prepare the roe
Divide the roes in half and fold each half in two.
Cut thin slices of bacon large enough to roll around the roe.
Sprinkle the inside of each bacon piece with lemon juice, Krona pepper, and salt.
Fold the bacon around the roe and secure with a large pin.
Cook and serve
Fry in a sauté pan or bake at 400°F (200°C) until browned and crisp.
Spread the fried bread or toast with anchovy paste and add strips of gherkin.
Cover with buttered paper and heat in the oven.
Remove the pins from the roes, sprinkle with Krona pepper, and serve on the prepared bread.
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.
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Pepper + lemontop 3% of all pairsSmell alikestrongCooked together27,047 recipes
Shared aroma: trans-2-nonenal (cardboard, fatty).
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Roe + anchovytop 6% of all pairsSmell alikemoderateCooked together65 recipes
Shared aroma: 1-octen-3-ol (mushroom, earthy).
-
Bread + anchovytop 10% of all pairsSmell alikemoderateCooked together1,260 recipes
Shared aroma: hexanol (green, fruity).
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Anchovy + lemontop 16% of all pairsSmell alikemoderateCooked together2,080 recipes
Shared aroma: decanal (soap, orange peel).
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Bread + peppertop 16% of all pairsSmell alikemoderateCooked together20,964 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
- Fresh soft roes
- Provide the rich, creamy filling that becomes soft and delicate when cooked.
- Bacon
- Wraps the roe and crisps during cooking, adding salt, smoky flavour and contrasting texture.
- Fried bread or buttered toast
- Gives a crisp, buttery base that holds the roe and absorbs its juices.
- Anchovy paste
- Adds a salty, savoury depth that complements the richness of the roe.
- Pickled gherkin
- Adds acidity and crunch that cut through the fat of the roe and bacon.
The step that matters
Fry or bake until the bacon is browned and crisp. Bacon fat must render and the outside must crisp while the roe inside stays moist and only just set. Overcooking dries and toughens the roe, so watch the pan closely and remove it once the bacon colours.
“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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