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Dessert

Reknet Custard, or Curds and Whey

A custard made by curdling milk with rennet, sweetened with sugar and flavored with vanilla or lemon.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 7 ingredients
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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 ↓

Reknet Custard, or Curds and Whey

Ingredients

Directions

Set the custard

  1. Add rennet to the milk in a bowl.

  2. Season with vanilla or lemon and sugar, then mix well.

  3. Cover the bowl and place it in a warm spot near the fire.

  4. Gently stir with a spoon for half a minute, then cover again.

  5. Check every hour; if it hasn't thickened, add more rennet.

  6. Once firm like blancmange, remove the rennet and refrigerate.

Serve

  1. Serve with grated nutmeg, powdered sugar, and cream.

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 + vanillatop 5% of all pairs
    Smell alikemoderate
    Cooked together19,187 recipes

    Shared aroma: ethyl caproate (fruity, apple peel).

  2. Sugar + vanillatop 8% of all pairs
    Smell alikelow
    Cooked together35,032 recipes

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

  3. Sugar + creamtop 9% of all pairs
    Smell alikemoderate
    Cooked together43,450 recipes

    Shared aroma: 2,3-butanedione (butter, sweet).

  4. Vanilla + nutmegtop 10% of all pairs
    Smell alikestrong
    Cooked together2,781 recipes

    Shared aroma: eucalyptol (eucalyptus, herbal).

  5. Nutmeg + creamtop 13% of all pairs
    Smell alikemoderate
    Cooked together7,920 recipes

    Shared aroma: acetic acid (sour, vinegar).

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

Rennet
Enzyme that coagulates the milk proteins, turning the liquid into a set custard.
Milk
Provides the protein and fat that form the body and creamy texture of the custard.
Sugar
Adds sweetness and balances the mild, savoury taste of the set milk.

The step that matters

Checking the set without disturbing it. Rennet works by enzymatically coagulating milk proteins, and gentle handling lets the curd form a smooth, firm gel. Stirring too vigorously or moving the bowl can break the forming curd, leaving a grainy or weak set.

Swap the nutmeg

How well each one fits the dish's main ingredients (milk, sugar, vanilla, cream):

  1. Cinnamonfits better
  2. Nutmegthe original
  3. Peppermintfits less well
  4. Clovefits less well

Fit is the average pairing score against milk, sugar, vanilla, 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.

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