Why it works: Lemon and ginger match in chemistry and in kitchens. They rank in the top 5% of all ingredient pairs, and cooks put them together in 5,154 recipes. Both carry beta-phellandrene, which smells minty, terpene. The science ↓
Lemon or Orange Tarts
Ingredients
Directions
Make the filling
Remove the yellow rind from the lemons or oranges and simmer until the water is evaporated and the rind is almost a paste.
Carefully remove any white pulp and seeds, keeping as much juice as possible.
Combine the rind with double the weight of the whole fruit in loaf sugar and mix over heat until well blended into a paste.
Add ½ ounce of fresh butter and mix again.
Assemble and finish
Line tart tins with light puff pastry, fill with the lemon or orange paste, and cover with more pastry.
Optionally, add grated ginger for extra flavor.
Ice the pastry covers before serving.
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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Lemon + gingertop 5% of all pairsSmell alikestrongCooked together5,154 recipes
Shared aroma: beta-phellandrene (minty, terpene).
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Lemon + buttertop 16% of all pairsSmell alikemoderateCooked together41,227 recipes
Shared aroma: 3-hexenal (apple, fruity).
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Sugar + gingertop 17% of all pairsSmell alikelowCooked together14,054 recipes
Shared aroma: 1-penten-3-one (fish, pungent).
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Sugar + buttertop 17% of all pairsSmell alikemoderateCooked together98,233 recipes
Shared aroma: guaiacol (smoky, sweet).
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Lemon + sugartop 18% of all pairsSmell alikelowCooked together53,532 recipes
Shared aroma: 2-nonenal (fatty, green).
Sugar and ginger barely smell alike, yet cooks put them together in 14,054 recipes: they work on texture and structure more than aroma.
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Lemons or seville oranges
- Provide the rind and juice that form the tart's bright, sharp filling.
- Loaf sugar
- Sweetens the filling and, when cooked down with the rind, helps form a thick paste.
- Fresh butter
- Adds richness and a smoother texture to the cooked fruit paste.
- Light puff pastry
- Forms the flaky case and cover that enclose the fruit paste.
The step that matters
Simmer the rind until it is almost a paste. Cooking off the water concentrates the rind's flavor and softens it, so the filling sets thick rather than watery inside the pastry.
Swap the ginger
The recipe marks ginger as optional. How well each one fits the dish's main ingredients (lemon, sugar, butter):
- Cinnamonfits better
- Parsleyfits better
- Nutmegfits about as well
- Gingerthe original
Fit is the average pairing score against lemon, sugar, butter. Candidates are from the same food group and used in at least 100 recipes.
“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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