Why it works: Sugar and vanilla are a kitchen classic. They rank in the top 8% of all ingredient pairs, and cooks put them together in 35,032 recipes. Both carry beta-damascenone, which smells apple, rose. The science ↓
Burnt Sugar Cake
Ingredients
Directions
The book gives no oven temperature. The 350°F (175°C) in the steps was added when the recipe was transcribed, as a starting point.
Make the burnt sugar
Combine 1 cup granulated sugar and 1 cup cold water in a saucepan. Boil without stirring until it turns dark brown and smokes.
Thin the burnt sugar with a scant ½ cup boiling water and let it cool before using.
Make the batter
In a mixing bowl, cream together 1½ cups sugar and ½ cup butter.
Add the yolks of 2 eggs, 1 cup cold water, and ½ teaspoon vanilla extract. Mix well.
Sift together 2 cups flour and 2 teaspoons baking powder, then add to the mixture. Beat for 5 minutes.
Fold in the beaten whites of 2 eggs and 4 teaspoons burnt sugar.
Bake and ice
Pour batter into a greased cake pan and bake at 350°F (175°C) until a toothpick comes out clean.
For icing, add 3 tablespoons burnt sugar to your regular boiled icing.
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.
-
Sugar + vanillatop 8% of all pairsSmell alikelowCooked together35,032 recipes
Shared aroma: beta-damascenone (apple, rose).
-
Butter + flourtop 12% of all pairsSmell alikelowCooked together124,287 recipes
Shared aroma: isobutyraldehyde (malty, green).
-
Vanilla + flourtop 12% of all pairsSmell alikemoderateCooked together19,241 recipes
Shared aroma: isobutyraldehyde (malty, green).
-
Butter + vanillatop 14% of all pairsSmell alikemoderateCooked together20,050 recipes
Shared aroma: guaiacol (smoky, sweet).
-
Sugar + flourtop 15% of all pairsSmell alikemoderateCooked together92,116 recipes
Shared aroma: phenylacetaldehyde (hawthorne, honey).
Sugar and vanilla barely smell alike, yet cooks put them together in 35,032 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
- Eggs
- Whites trapped by folding add lift and a light crumb; yolks add richness and structure.
- Butter
- Creamed with sugar, it traps air and gives the cake tenderness and richness.
- All-purpose flour
- Its proteins set during baking, forming the cake's structure.
- Baking powder
- Releases gas in the batter, helping the cake rise.
- Burnt sugar
- Adds deep caramel flavour and dark colour to the cake and icing.
The step that matters
Boil the sugar until it smokes. Sugar darkens and changes flavour quickly near the end of caramelisation, so it can turn bitter if it goes too far. Stopping at dark brown with a slight smoke gives deep flavour without burnt bitterness. Boiling without stirring helps it colour evenly.
Swap the vanilla
How well each one fits the dish's main ingredients (sugar, butter, egg, flour):
- Raisinfits better
- Vanillathe original
- Figfits less well
- Lemonfits less well
Fit is the average pairing score against sugar, butter, egg, flour. 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
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.
Vanilla Ice Cream108 recipes
White Cake431 recipes
Pound Cake373 recipes
Orange Bundt Cake349 recipes