Why it works: Flour and raisin match in chemistry and in kitchens. They rank in the top 1% of all ingredient pairs, and cooks put them together in 9,075 recipes. Both carry isobutyraldehyde, which smells malty, green. The science ↓
Christmas Cake
Ingredients
Directions
The book gives no oven temperature. The 300°F (150°C) in the steps was added when the recipe was transcribed, as a starting point.
Prepare
Preheat your oven to 300°F (150°C).
In a large bowl, combine the flour, sugar, chopped raisins, and spices.
In a separate bowl, mix the melted butter, cream, treacle, and well-beaten eggs.
Dissolve the baking soda in the vinegar and add it to the mixture.
Combine all ingredients and mix well.
Bake
Pour the batter into a buttered mold.
Bake for about 2 hours.
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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Flour + raisintop 1% of all pairsSmell alikestrongCooked together9,075 recipes
Shared aroma: isobutyraldehyde (malty, green).
-
Butter + creamtop 8% of all pairsSmell alikemoderateCooked together41,516 recipes
Shared aroma: delta-dodecalactone (sweet, creamy).
-
Cream + sugartop 9% of all pairsSmell alikemoderateCooked together43,450 recipes
Shared aroma: 2,3-butanedione (butter, sweet).
-
Ginger + raisintop 11% of all pairsSmell alikemoderateCooked together1,242 recipes
Shared aroma: decanal (soap, orange peel).
-
Molasses + sugartop 11% of all pairsSmell alikemoderateCooked together9,225 recipes
Shared aroma: ethanol (alcoholic, ethereal).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- All-purpose flour
- Provides the structure that holds the cake together as it bakes.
- Eggs
- Bind the batter and add structure and richness as they set in the oven.
- Baking soda
- Reacts with the vinegar to produce gas that helps the cake rise.
- Treacle
- Adds moisture, dark color, and a deep sweetness to the cake.
- Melted butter
- Adds fat for tenderness and richness in the crumb.
- Raisins
- Add chewy pockets of fruit sweetness throughout the cake.
The step that matters
Dissolve the baking soda in the vinegar and add it to the mixture. Baking soda needs an acid to release gas. Dissolving it fully in the vinegar before mixing spreads the leavening evenly, so the cake rises uniformly instead of in patches.
Swap the ginger
How well each one fits the dish's main ingredients (flour, butter, cream, molasses, sugar, egg, raisin):
- Cinnamonfits better
- Nutmegfits better
- Jalapenofits about as well
- Gingerthe original
Fit is the average pairing score against flour, butter, cream, molasses, sugar, egg, raisin. 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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