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Baked Coffee Custard

A custard made with milk, eggs, and ground coffee, baked until set.

From an old cookbook · modernised transcription
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Why it works: Milk and coffee are a kitchen classic. They rank in the top 10% of all ingredient pairs, and cooks put them together in 2,202 recipes. Both carry 4-heptenal, which smells creamy, biscuit. The science ↓

Baked Coffee Custard

Oven, in the book's wordsA quick oven

Ingredients

Directions

The book says “a quick oven”. The 350°F (175°C) in the steps is the modern equivalent, not the book's own figure.

Infuse the milk

  1. Grind the coffee.

  2. In a saucepan, combine the ground coffee and milk; bring to a boil.

  3. Remove from heat and let steep for 15 minutes, covered.

Make the custard

  1. In a bowl, break the eggs and beat until mixed.

  2. Add about 3 tablespoons of sugar and beat well.

  3. Bring the coffee and milk back to a boil and strain it into the bowl of eggs, stirring briskly.

  4. Sweeten to taste.

Bake and serve

  1. Prepare 12 small custard cups in a baking pan.

  2. Strain the custard into the cups.

  3. Fill the pan with boiling water to half the height of the custard cups.

  4. Bake at 350°F (175°C) for 10 to 12 minutes, until just set; do not overbake.

Recipe from a historical cookbook (Internet Archive).

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.

  1. Milk + coffeetop 10% of all pairs
    Smell alikemoderate
    Cooked together2,202 recipes

    Shared aroma: 4-heptenal (creamy, biscuit).

  2. Coffee + sugartop 17% of all pairs
    Smell alikelow
    Cooked together4,344 recipes

    Shared aroma: beta-damascenone (apple, rose).

  3. Milk + eggtop 18% of all pairs
    Smell alikemoderate
    Cooked together88,785 recipes

    Shared aroma: 2-nonenal (fatty, green).

  4. Milk + sugartop 18% of all pairs
    Smell alikelow
    Cooked together77,875 recipes

    Shared aroma: 2-nonenal (fatty, green).

  5. Egg + sugartop 21% of all pairs
    Smell alikemoderate
    Cooked together122,807 recipes

    Shared aroma: 2-nonenal (fatty, green).

Milk and sugar barely smell alike, yet cooks put them together in 77,875 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 creamy liquid base and carries the coffee flavor.
Ground coffee
Infused into the milk to give the custard its coffee aroma and flavor.
Sugar
Adds sweetness and balances the bitterness of the coffee.

The step that matters

Bake until just set, do not overbake. Egg proteins set as the custard heats. Past that point they tighten further, squeezing out liquid and leaving the custard grainy and watery. Removing it while it still wobbles in the centre lets residual heat finish the set.

“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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