Why it works: Sugar and cream are a kitchen classic. They rank in the top 9% of all ingredient pairs, and cooks put them together in 43,450 recipes. Both carry 2,3-butanedione, which smells butter, sweet. The science ↓
Chocolate Custards
Ingredients
Directions
Make the custard
Dissolve the chocolate gently by the fire in the water until smooth.
Mix in the milk flavored with lemon peel or vanilla and add the sugar.
Bring the mixture to a boil, then stir in the beaten eggs.
Pour the custard into a jar or jug and place it in a pan of boiling water.
Stir continuously until the custard thickens.
Finish and serve
Let it cool before serving.
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.
-
Sugar + creamtop 9% of all pairsSmell alikemoderateCooked together43,450 recipes
Shared aroma: 2,3-butanedione (butter, sweet).
-
Chocolate + creamtop 11% of all pairsSmell alikemoderateCooked together5,466 recipes
Shared aroma: delta-decalactone (sweet, creamy).
-
Chocolate + sugartop 13% of all pairsSmell alikemoderateCooked together15,404 recipes
Shared aroma: guaiacol (smoky, sweet).
-
Chocolate + milktop 13% of all pairsSmell alikemoderateCooked together9,128 recipes
Shared aroma: gamma-nonanolactone (coconut, sweet).
-
Milk + lemontop 15% of all pairsSmell alikemoderateCooked together19,053 recipes
Shared aroma: 2-nonenal (fatty, green).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Chocolate
- Provides the main flavor and dark color of the custard.
- Milk
- Forms the liquid base that the eggs thicken into a custard.
- Eggs
- Thicken the custard as they set when heated, giving it body.
- Sugar
- Adds sweetness and balances the bitterness of the chocolate.
The step that matters
Stir continuously while the custard thickens. Egg proteins set gently with heat, but if the custard gets too hot or sits unstirred, the eggs can curdle and turn grainy. Constant stirring spreads the heat evenly so it thickens smoothly.
Swap the lemon
How well each one fits the dish's main ingredients (chocolate, milk, sugar, egg, cream):
- Vanillafits better
- Coconutfits better
- Raspberryfits better
- Lemonthe original
Fit is the average pairing score against chocolate, milk, sugar, egg, cream. 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 chocolate custard recipes
You might also like
Lemon Cake228 recipes
Chocolate Cream171 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.