Why it works: Milk and vanilla are a kitchen classic. They rank in the top 5% of all ingredient pairs, and cooks put them together in 19,187 recipes. Both carry ethyl caproate, which smells fruity, apple peel. The science ↓
Caramel Custard
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 caramel
Melt the sugar in an omelet pan until it is light brown.
Add the water to the melted sugar.
Stir the mixture into the warm milk.
Make the custard
Beat the eggs slightly.
Add the salt and vanilla to the eggs.
Stir the egg mixture into part of the milk.
Strain the mixture into the remainder of the milk.
Pour the mixture into a buttered 2-quart mold.
Set the mold in a pan of warm water.
Bake and serve
Bake at 350°F (175°C) for 30 to 40 minutes, or until firm.
Check for doneness by inserting a knife; if it comes out clean, it is done.
Once cooled, whip the thick cream.
Spread the whipped cream on top.
Serve with caramel sauce.
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.
Photo for illustrative purposes only · Contact us to use it
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.
-
Milk + vanillatop 5% of all pairsSmell alikemoderateCooked together19,187 recipes
Shared aroma: ethyl caproate (fruity, apple peel).
-
Sugar + vanillatop 8% of all pairsSmell alikelowCooked together35,032 recipes
Shared aroma: beta-damascenone (apple, rose).
-
Sugar + creamtop 9% of all pairsSmell alikemoderateCooked together43,450 recipes
Shared aroma: 2,3-butanedione (butter, sweet).
-
Vanilla + creamtop 15% of all pairsSmell alikelowCooked together12,301 recipes
Shared aroma: 2-nonanone (fruity, floral).
-
Milk + creamtop 18% of all pairsSmell alikemoderateCooked together29,399 recipes
Shared aroma: delta-dodecalactone (sweet, creamy).
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
- Set the custard into a tender, sliceable structure as they cook.
- Milk
- Forms the liquid base of the custard and gives it a soft, creamy body.
- Sugar
- Melts into caramel that adds deep, slightly bitter sweetness and colour.
- Thick cream
- Adds richness and a light, airy topping when whipped.
The step that matters
Bake the custard gently in a water bath. Baking the mold in warm water moderates the heat around the custard. Too much heat makes egg proteins tighten too fast, causing a grainy or watery texture. Test for doneness with a knife rather than relying on time alone.
“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 caramel custard 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.

Vanilla Ice Cream108 recipes
White Cake431 recipes
Pound Cake373 recipes
Orange Bundt Cake349 recipes