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Scotch Haggis

A traditional Scottish dish made by stuffing a sheep's paunch with beef suet, oatmeal, onions, spices, and stock, then boiling.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 9 ingredients
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Why it works: Pepper and lemon match in chemistry and in kitchens. They rank in the top 3% of all ingredient pairs, and cooks put them together in 27,047 recipes. Both carry trans-2-nonenal, which smells cardboard, fatty. The science ↓

Scotch Haggis

Ingredients

Directions

Prepare the paunch

  1. Soak the sheep's paunch in salt and water for several hours.

  2. Turn the soaked paunch inside out and wash thoroughly.

  3. Wash the pluck.

Cook the offal

  1. Cover the liver with cold water.

  2. Boil the liver for 1.5 hours.

  3. Add the heart and lights after 1 hour of boiling.

  4. Chop half the liver into medium-sized pieces.

  5. Finely chop the remaining liver, heart, and lights.

Fill and cook

  1. Mix the chopped ingredients with oatmeal, onions, salt, pepper, nutmeg, lemon juice, and stock.

  2. Fill the paunch with the mixture.

  3. Sew the paunch up, leaving space for the oatmeal to swell.

  4. Place the haggis in boiling water.

  5. Cook gently for about 3 hours.

  6. Prick the haggis occasionally to let air escape.

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. Pepper + lemontop 3% of all pairs
    Smell alikestrong
    Cooked together27,047 recipes

    Shared aroma: trans-2-nonenal (cardboard, fatty).

  2. Nutmeg + lemontop 5% of all pairs
    Smell alikestrong
    Cooked together11,318 recipes

    Shared aroma: beta-phellandrene (minty, terpene).

  3. Beef + oniontop 7% of all pairs
    Smell alikemoderate
    Cooked together17,092 recipes

    Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).

  4. Pepper + nutmegtop 7% of all pairs
    Smell alikestrong
    Cooked together13,015 recipes

    Shared aroma: 4'-methylacetophenone (bitter almond).

  5. Beef + peppertop 10% of all pairs
    Smell alikemoderate
    Cooked together18,971 recipes

    Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).

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

What each ingredient does

Oatmeal
Absorbs liquid and swells as it cooks, giving the haggis its crumbly, filled texture.
Beef suet
Adds fat that keeps the mixture moist and rich as it cooks.
Spanish onions
Add sweetness and savoury depth to the filling.
Stock or gravy
Supplies moisture that the oatmeal soaks up, keeping the filling tender.
Liver, heart and lights (in the method)
Provide the meaty body and rich flavour that define the filling.

The step that matters

Leave room for the oatmeal to swell. Oatmeal absorbs liquid and expands as it cooks. If the paunch is filled too tightly, it can burst. Pricking releases trapped air, and a loose seal allows for expansion.

Swap the onion

How well each one fits the dish's main ingredients (beef, pepper, nutmeg, lemon):

  1. Spinachfits better
  2. Carrotfits better
  3. Capsicumfits better
  4. Onionthe original

Fit is the average pairing score against beef, pepper, nutmeg, lemon. 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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