Scotch broth is a traditional Scottish soup of lamb, barley and vegetables, simmered until the meat is tender and the broth is substantial. This Hairy Bikers-inspired version uses lamb shoulder, pearl barley and root vegetables for a warming one-pot meal; recipes vary, so adjust the vegetables to suit what you have.
Ingredients
- 1½ lb (680 g) bone-in lamb shoulder or neck, cut into large pieces
- 8 cups (1.9 L) cold water
- ¾ cup (150 g) pearl barley, rinsed and drained
- 1 medium yellow onion (about 7 oz/200 g), finely chopped
- 2 medium carrots (about 7 oz/200 g), peeled and diced
- 1 medium turnip (about 7 oz/200 g), peeled and diced
- 1 medium leek (about 7 oz/200 g), trimmed, washed carefully and sliced
- 2 celery ribs (about 3 oz/85 g), diced
- 1 bay leaf
- 4 sprigs fresh thyme, or ½ tsp dried thyme
- 1 tsp fine salt, plus more to taste
- ½ tsp freshly ground black pepper
- 2 tbsp chopped fresh parsley (about 8 g), for serving
Instructions
- Put the lamb in a large, heavy pot and pour in the cold water. Bring it slowly to a gentle simmer over medium heat, skimming off the grey foam that rises with a spoon. Avoid a hard boil, which can make the broth cloudy and the meat tougher.
- Add the rinsed barley, onion, bay leaf, thyme, salt and pepper. Lower the heat so the liquid bubbles gently, cover partially and simmer for 1 hour, stirring occasionally to stop the barley sticking to the bottom.
- Stir in the carrots, turnip, leek and celery. Simmer uncovered or partially covered for another 45–60 minutes, until the barley is tender, the vegetables are soft and the lamb pulls easily from the bone. Add a little hot water if the soup becomes thicker than you like.
- Check the lamb with a food thermometer in the thickest part without touching the bone. USDA FSIS lists 145°F (63°C) with a 3-minute rest as the safe minimum for whole cuts of lamb; for this soup, continue simmering until the lamb is fork-tender. Remove the lamb to a plate, discard the bones and any excess fat, and shred or chop the meat.
- Return the lamb to the pot and simmer for 5 minutes. Remove the bay leaf and thyme stems, taste and adjust the salt and pepper, then ladle into bowls and scatter with parsley.
Tips
- Rinse the barley: A quick rinse removes loose starch and dust. Pearl barley thickens the soup as it cooks; hulled barley can be used, but it takes longer and stays chewier, so follow its package timing.
- Keep the simmer gentle: A rolling boil can break up the vegetables and cloud the broth. If the pot is bubbling vigorously, lower the heat.
- Choose a practical lamb cut: Neck, shoulder or shanks work well because they become tender during a long simmer. If using boneless lamb, reduce the initial cooking time and check tenderness earlier.
- Adjust the texture: Barley continues absorbing broth as the soup sits. Stir in hot water or unsalted stock when reheating if it has become too thick, then taste again before adding salt.
Serving Suggestions
Serve Scotch broth hot as a complete lunch or supper, with crusty bread, oatcakes or buttered wholemeal toast for dipping. A simple green salad or steamed cabbage makes a fresh side without competing with the rich broth. Finish each bowl with extra parsley and black pepper; a small spoonful of mustard on the side is also welcome for anyone who likes a sharper contrast.
Variations
For a lighter soup, use lamb neck or shoulder with visible fat trimmed, then chill the finished broth and lift off the solidified fat before reheating. Beef shin can replace lamb, though it changes the flavour and may need a little longer to soften. For a meat-free version, omit the lamb and use vegetable stock; add a rinsed can of drained butter beans near the end for extra substance. Turnip is traditional in many versions, but rutabaga (swede) is an easy substitute with a similar earthy sweetness. If leeks are unavailable, use another small onion, though the broth will have less of the leek’s mild, sweet flavour.
Storage and Reheating
Cool leftovers promptly and refrigerate within 2 hours, in shallow covered containers. Keep for 3–4 days in the refrigerator, or freeze for up to 3 months for best quality; barley may soften after freezing. Thaw frozen soup overnight in the refrigerator. Reheat on the stovetop over medium-low heat, stirring occasionally, until steaming throughout and at least 165°F (74°C), checked with a food thermometer. Add hot water or stock as needed to loosen it. Reheat only the portion you plan to eat, and do not leave soup at room temperature for more than 2 hours.
Frequently Asked Questions
Do I need to soak pearl barley first?
No. Pearl barley cooks in the soup without soaking. Rinse it under cold water before adding it. If using hulled barley instead, soaking is optional but can shorten its cooking time; check the packet and allow extra simmering time if needed.
Can I make Scotch broth in advance?
Yes. Make it a day ahead, cool it promptly and refrigerate it. The flavour settles as it rests, but the barley thickens the broth. Reheat to 165°F (74°C) and thin with water or stock to restore the consistency.
Can I make this in a slow cooker?
Yes, but bring the water and lamb to a simmer in a pot first and skim the foam for a clearer broth. Transfer to the slow cooker with barley and seasonings; cook on low until the lamb is tender, then add the vegetables for the final 1–2 hours so they do not turn mushy. Slow-cooker timing varies by model.
What can I use instead of lamb?
Beef shin or another stewing cut gives a hearty soup with a different flavour and may require additional cooking. For a vegetarian bowl, use vegetable stock and beans instead, adding the beans near the end so they keep their shape.
Why is my broth so thick?
Barley releases starch and absorbs liquid, especially while the soup cools or sits overnight. Stir in hot water or stock a little at a time while reheating until it reaches the consistency you prefer.
Can I use quick-cooking barley?
Yes, but add it according to its package directions rather than simmering it for the full time in this recipe. Add it later in the cooking so it does not become overcooked; keep the lamb simmering until it is tender.
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Safety notes: safe minimum internal temperatures from USDA FSIS; raw and undercooked fish guidance from the U.S. FDA. Food safety notes
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