Barra Cockle and Oat Soup
A comforting Hebridean coastal soup made with sweet fresh cockles cooked in their own liquor, enriched with whole milk and thickened with Scottish oatmeal.
- Prep
- 20 min
- Cook
- 25 min
- Total
- 45 min
- Servings
- 4
- Difficulty
- Easy
- Calories
- 285 kcal
Equipment
- •Large heavy-based lidded pot
- •Fine sieve
- •Muslin cloth or clean tea towel
- •Wooden spoon
- •Ladle
Nutrition
Per serving, approximate
- Calories
- 285 kcal
- fat
- 15 g
- carbs
- 19 g
- fibre
- 2 g
- protein
- 16 g
- calories
- 285 kcal
Instructions
- 1
Soak cockles in cold salted water for 20 minutes, then drain and discard any open shells that do not shut when tapped.
- 2
Place cockles and 150 ml water into a large pot over high heat and cover tightly with a lid.
- 3
Steam for 3 to 4 minutes, shaking the pot occasionally, until all cockles have opened fully.
- 4
Strain cockles through a sieve lined with muslin into a bowl, reserving all the cooking liquor.
- 5
Remove cockle meat from shells, keeping a few in shell for garnish and discarding unopened ones.
- 6
Melt butter in the clean pot over medium heat on the hob.
- 7
Add sliced leek and diced onion, frying gently for 5 minutes until soft and translucent.
- 8
Stir in the oatmeal and toast for 2 minutes until fragrant and nutty.
- 9
Gradually whisk in reserved cockle liquor and whole milk, stirring constantly to prevent lumps.
- 10
Simmer gently over low heat for 12 to 15 minutes until the soup turns thick and silky.
- 11
Stir in the shelled cockles, double cream, and white pepper, warming through for 2 minutes without boiling.
- 12
Ladle into warm bowls and scatter with fresh parsley, chives, and reserved in-shell cockles.
Chef's tips
Always strain the cockle steaming liquid through fine muslin to catch any trapped beach sand. Do not boil the soup after adding the cooked cockles and cream, or the shellfish will turn rubbery. Taste before adding any extra salt, as the natural cockle liquor is naturally savoury and briny.
Ingredient substitutions
- fresh cockles in shell → jarred cockles in brine (drained, with low-salt fish stock replacing liquor) or fresh mussels
- Scottish oatmeal → rolled porridge oats lightly pulsed in a food processor
- double cream → an extra splash of whole milk for a lighter broth
Storage
Store leftover soup in an airtight container in the fridge for up to 1 day.
Reheating
Reheat very gently in a saucepan over low heat on the hob until steaming, taking care not to boil.
Common mistakes to avoid
- •Failing to purge and filter cockles properly, leaving gritty sand in the finished soup broth.
- •Boiling the cockles too aggressively, which makes their delicate coastal flesh tough and chewy.
- •Adding too much salt before tasting the natural shellfish liquor.
- •Dumping the oatmeal in all at once without whisking, which creates gummy clumps.
Serving suggestions
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