Why it works: Coffee and chocolate are a kitchen classic. They rank in the top 5% of all ingredient pairs, and cooks put them together in 1,497 recipes. Both carry 2,3-butanedione, which smells buttery, creamy. The science ↓
A Child's Birthday Cake
Ingredients
Directions
The book says “a very slow oven”. The 300°F (150°C) in the steps is the modern equivalent, not the book's own figure.
Prepare the batter
Preheat the oven to 300°F (150°C).
Cream the butter and brown sugar together.
Add the egg yolks one at a time, beating well after each addition.
Mix in the jelly, chocolate, and spices. Beat well.
Add sour cream and coffee.
Gradually mix in the flour and beaten egg whites.
Sift the baking powder and baking soda with the flour.
Fold in the floured fruit and nuts. Mix well with your hands.
Bake
Line a large loaf pan with greased paper.
Pour the batter into the pan.
Bake for 3 to 4 hours until done.
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.
-
Coffee + chocolatetop 5% of all pairsSmell alikemoderateCooked together1,497 recipes
Shared aroma: 2,3-butanedione (buttery, creamy).
-
Butter + creamtop 8% of all pairsSmell alikemoderateCooked together41,516 recipes
Shared aroma: delta-dodecalactone (sweet, creamy).
-
Sugar + creamtop 9% of all pairsSmell alikemoderateCooked together43,450 recipes
Shared aroma: 2,3-butanedione (butter, sweet).
-
Sugar + molassestop 11% of all pairsSmell alikemoderateCooked together9,225 recipes
Shared aroma: ethanol (alcoholic, ethereal).
-
Cream + chocolatetop 11% of all pairsSmell alikemoderateCooked together5,466 recipes
Shared aroma: delta-decalactone (sweet, creamy).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Eggs
- Egg yolks and whites add structure and richness, helping the heavy batter set as it bakes.
- Butter
- Creamed with sugar, it traps air and gives the cake a tender, rich crumb.
- Brown sugar
- Adds sweetness and moisture, and its molasses notes deepen the color and flavor.
- All-purpose flour
- Provides the structure that holds the heavy fruit and batter together as it sets.
- Baking soda
- Reacts with the acidic sour cream and molasses to produce gas that helps the cake rise.
- Raisins
- Add moisture, chewiness and concentrated sweetness throughout the cake.
The step that matters
Long, low bake. A dense, fruit-heavy batter cooks slowly; baking at a low 300°F for the full time lets the center set without the outside over-browning or drying out.
“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 birthday cake recipes
You might also like
The 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.
Chocolate Cream171 recipes
Vanilla Ice Cream108 recipes
Molasses Cookies96 recipes
Coffee Ice Cream91 recipes