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The Scotch Haggis

A traditional Scottish dish made from boiled sheep heart, liver, lungs, suet, onions, oatmeal, spices, and stock, stuffed into a sheep's paunch.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 10 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 ↓

The Scotch Haggis

Ingredients

Directions

Prepare the meats

  1. Boil the heart, half of the liver, and lungs for 10 minutes in fresh water.

  2. Boil the remaining liver for 30 minutes until it can be grated easily when cold.

  3. Trim and mince the heart, half of the liver, and lungs finely.

  4. Mince the beef suet and grate the other half of the liver.

Make the filling

  1. Scald and mince the onions, then mix with the minced meat.

  2. Toast the oatmeal slowly until light brown and nutty.

  3. Spread the meat mixture on a board and sprinkle with toasted oatmeal, black pepper, salt, and cayenne.

Fill and cook

  1. Prepare a clean sheep's paunch or haggis bag, ensuring there are no thin parts.

  2. Add the meat mixture to the bag with the beef gravy and lemon juice, leaving room for expansion.

  3. Sew up the bag, prick it with a needle to prevent bursting, and boil slowly for 3 hours.

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

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

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

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

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

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

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

    Shared aroma: furaneol (caramel, strawberry).

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

What each ingredient does

Oatmeal
Absorbs the meat juices and fat, giving the haggis its crumbly, binding texture.
Beef suet
Adds fat that keeps the filling moist and rich during long simmering.
Onions
Add sweetness and moisture that balance the richness of the offal.
Sheep's liver
Contributes a deep, savoury flavour and firm body to the filling.
Beef gravy or strong stock
Adds moisture and savoury depth so the filling stays tender as it cooks.
Lemon juice or vinegar
Adds acidity that brightens the rich, savoury flavours.

The step that matters

Leave room in the bag and prick it before boiling. The oatmeal and meat swell as they cook and steam expands inside the casing. Without room and pricked holes, the bag can burst and the filling can spill into the water.

Swap the lemon

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

  1. Limefits better
  2. Lemonthe original
  3. Avocadofits about as well
  4. Grapefits less well

Fit is the average pairing score against liver, beef, onion, pepper. 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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