Why it works: Ginger and lemon 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 ↓
Citron Preserves
Ingredients
Directions
Prepare the citron
Cut the citron into thin slices.
Boil the slices in water with a small piece of alum until clear and tender.
Rinse the slices in cold water.
Make the syrup and preserve
Make a syrup of three-fourths pound of sugar to a pound of citron.
Boil a piece of ginger in the syrup.
Pour the citron slices into the syrup and let it boil for a few minutes.
Add one lemon to five of the fruit.
Nutrition, whole recipe (rough)
Counts 3 of 5 ingredients. The other 2 aren't in our nutrition table and add nothing above, so the real totals are higher.
What these numbers assume: 3 portions
| Ingredient | Portion assumed | kcal |
|---|---|---|
| Sugar | 1 tbsp (12.5g) granulated | 49 |
| Lemon | juice of 1 lemon (48ml) | 12 |
| Ginger | 1 tsp grated fresh (2g) | 2 |
| Syrup | not in our table | 0 |
| Fruit | not in our table | 0 |
One typical portion per ingredient; the recipe's quantities are not counted. A rough guide only, not for medical or dietary planning.
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. See the original page.
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.
-
Ginger + lemontop 5% of all pairsSmell alikestrongCooked together5,154 recipes
Shared aroma: beta-phellandrene (minty, terpene).
-
Sugar + syruptop 6% of all pairsSmell alikestrongCooked together5,842 recipes
Shared aroma: ethanol (alcoholic, ethereal).
-
Ginger + syruptop 16% of all pairsSmell alikelowCooked together950 recipes
Shared aroma: ethanol (alcoholic, ethereal).
-
Sugar + gingertop 17% of all pairsSmell alikelowCooked together14,054 recipes
Shared aroma: 1-penten-3-one (fish, pungent).
-
Sugar + lemontop 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
- Citron
- Forms the main body of the preserve, becoming tender and translucent when cooked in syrup.
- Sugar
- Makes the syrup that sweetens the fruit and helps preserve it.
- Lemon
- Adds acidity that brightens the flavor of the sweet syrup.
The step that matters
Boiling the citron in alum water until clear and tender. Alum firms the citron's texture so the slices hold their shape in the syrup. Cooking until the slices turn clear and tender shows the fruit is fully softened before it goes into the sugar syrup.
Swap the lemon
How well each one fits the dish's main ingredients (sugar, ginger, syrup):
- Vanillafits better
- Lemonthe original
- Pearfits about as well
- Raisinfits about as well
Fit is the average pairing score against sugar, ginger, syrup. 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.
You might also like
Lemon Cake228 recipes
Ginger Cookies213 recipes
Lemon Ice147 recipes
Lemon Sherbet103 recipesThe free Flavor Lab newsletter: one surprising pairing a week and the molecular reason it works, in 60 seconds. No spam, unsubscribe anytime.
Prefer an account? Create a free account to save pairings and unlock the full chemistry.