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Scotch Haggis

A traditional Scottish dish made from sheep's organs, suet, oatmeal, onions, and spices, cooked in a sheep's stomach.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 10 ingredients
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Why it works: Pepper and allspice match in chemistry and in kitchens. They rank in the top 5% of all ingredient pairs, and cooks put them together in 6,395 recipes. Both carry estragole, which smells anise, licorice. The science ↓

Scotch Haggis

Ingredients

Directions

Prepare

  1. Clean the sheep's bag thoroughly.

  2. Parboil the heart, lungs, and liver for 1.5 hours.

  3. Let the parboiled organs cool.

  4. Mince the cooled organs very finely.

  5. Mince the fresh suet.

  6. Grate the parboiled liver.

  7. Wash the bag with cold water, then with boiling water.

Make the filling

  1. Mix the minced organs with browned oatmeal, onions, black pepper, allspice, and salt.

  2. Fill the bag with the mixture, leaving it half full.

  3. Add a little of the parboiling liquid.

Cook

  1. Sew up the bag.

  2. Place the sewn bag in boiling water.

  3. Prick the bag frequently with a large needle to let air escape.

  4. Boil for 3 hours with a plate at the bottom of the pot.

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 + allspicetop 5% of all pairs
    Smell alikestrong
    Cooked together6,395 recipes

    Shared aroma: estragole (anise, licorice).

  2. Onion + peppertop 11% of all pairs
    Smell alikemoderate
    Cooked together68,474 recipes

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

  3. Onion + allspicetop 13% of all pairs
    Smell alikemoderate
    Cooked together4,270 recipes

    Shared aroma: coumarin (sweet, hay).

  4. Liver + oniontop 15% of all pairs
    Smell alikelow
    Cooked together1,420 recipes

    Shared aroma: furaneol (caramel, strawberry).

  5. Liver + peppertop 21% of all pairs
    Smell alikemoderate
    Cooked together2,375 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

Fresh suet
Adds fat that melts during cooking, keeping the filling moist and rich.
Oatmeal
Absorbs fat and cooking juices, swelling to give the haggis a crumbly, bound texture.
Sheep's liver
Contributes rich, savoury flavour and a soft, moist body to the filling.
Sheep's heart
Provides dense meaty body and savoury flavour to the filling.
Sheep's lights (lungs)
Adds light, tender texture and bulk to the minced filling.
Onions
Add sweetness and aroma as they soften and mellow in the filling.

The step that matters

Leave room in the bag. Oatmeal swells as it absorbs liquid and fat renders, and air and steam expand during boiling. Filling the bag too full can cause it to burst, so leaving space and pricking it lets pressure escape.

Swap the onion

How well each one fits the dish's main ingredients (liver, pepper, allspice):

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

Fit is the average pairing score against liver, pepper, allspice. 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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