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 ↓
Parkin
Ingredients
Directions
The book says “a warm oven”. The 300°F (150°C) in the steps is the modern equivalent, not the book's own figure.
Prepare
Preheat the oven to 300°F (150°C).
Combine the treacle and butter in a jar.
Place the jar in the warm oven until the butter is melted.
Stir in the brown sugar.
Mix together the oatmeal, flour, ginger, and seeds or lemon rind in a bowl.
Pour the melted mixture into the dry ingredients. Mix to form a paste.
Shape and bake
Roll out the paste on a well-floured board to a ½ inch thickness.
Transfer the paste to a greased flat tin.
Bake for about 50 minutes.
Insert a skewer dipped in boiling water to check for doneness; it should come out clean.
Cut and cool
Cut the cake into squares.
Remove the squares from the tin.
Allow the squares to cool.
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.
-
Ginger + lemontop 5% of all pairsSmell alikestrongCooked together5,154 recipes
Shared aroma: beta-phellandrene (minty, terpene).
-
Butter + flourtop 12% of all pairsSmell alikelowCooked together124,287 recipes
Shared aroma: isobutyraldehyde (malty, green).
-
Sugar + flourtop 15% of all pairsSmell alikemoderateCooked together92,116 recipes
Shared aroma: phenylacetaldehyde (hawthorne, honey).
-
Flour + gingertop 15% of all pairsSmell alikemoderateCooked together8,564 recipes
Shared aroma: isobutyraldehyde (malty, green).
-
Butter + lemontop 16% of all pairsSmell alikemoderateCooked together41,227 recipes
Shared aroma: 3-hexenal (apple, fruity).
Butter and flour barely smell alike, yet cooks put them together in 124,287 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
- Treacle
- Adds dark sweetness, a sticky moist texture and rich flavour to the parkin.
- Butter
- Adds fat that keeps the cake tender and moist as it bakes.
- Brown moist cane sugar
- Adds sweetness and moisture, helping the cake stay soft and deepen in colour.
- Oatmeal
- Gives the parkin a dense, slightly chewy texture and a nutty grain flavour.
- Flour
- Provides the structure that holds the paste together while it bakes.
The step that matters
Checking doneness with a skewer. Parkin is dense and sticky, so the centre can stay wet even when the edges look set. A skewer dipped in boiling water that comes out clean shows the middle has cooked through, which keeps the squares from being gummy.
Swap the ginger
How well each one fits the dish's main ingredients (butter, sugar, flour, lemon):
- Cinnamonfits better
- Nutmegfits better
- Parsleyfits better
- Gingerthe original
Fit is the average pairing score against butter, sugar, flour, lemon. 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.
More parkin recipes
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.