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Preserve

To Make Pigs-foot Jelly

A jelly made by boiling pigs' feet, adding cooking water, vinegar, white pepper, and ginger, then packing into pails.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 5 ingredients
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Why it works: White pepper and ginger work together. They rank in the top 16% of all ingredient pairs, and cooks put them together in 388 recipes. Both carry eucalyptol, which smells eucalyptus, herbal. The science ↓

To Make Pigs-foot Jelly

Ingredients

Directions

Cook the feet

  1. Boil the pigs' feet in a jacketed kettle until the meat easily leaves the bone, using just enough water to cook them.

  2. Add the water used for cooking the feet to the mixture.

Season and pack

  1. Stir in the sweetened vinegar, white pepper, and ground ginger.

  2. Pack the jelly in paraffined ten-pound wood pails.

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. White pepper + gingertop 16% of all pairs
    Smell alikelow
    Cooked together388 recipes

    Shared aroma: eucalyptol (eucalyptus, herbal).

  2. Vinegar + gingertop 19% of all pairs
    Smell alikemoderate
    Cooked together5,126 recipes

    Shared aroma: isoamyl acetate (banana, pear).

  3. Vinegar + white peppertop 20% of all pairs
    Smell alikelow
    Cooked together1,154 recipes

    Shared aroma: isobutyraldehyde (malty, green).

Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs

What each ingredient does

Pigs' feet
Collagen in the bone and connective tissue breaks down into gelatin, which sets the jelly.
Sweetened vinegar
Adds acidity and sweetness that balance the rich, savoury meat broth.
Ground ginger
Adds a warm, aromatic spice flavour to the jelly.
White pepper
Adds a mild, sharp heat and aroma to the jelly.

The step that matters

Cooking the feet with just enough water. Long simmering draws gelatin out of the bone and connective tissue. Using just enough water keeps the broth concentrated, so it will set firm when cooled. Too much water leaves a weak jelly that does not hold its shape.

Swap the white pepper

How well each one fits the dish's main ingredients (vinegar, ginger):

  1. Allspicefits better
  2. Clovefits better
  3. Turmericfits better
  4. White pepperthe original

Fit is the average pairing score against vinegar, ginger. 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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