• 2 cans (400g each) Glenryck Pilchards in tomato sauce
• 3-4 large onions, sliced
• 1 cup brown or white vinegar
• 1 cup water
• 1/2 cup brown sugar (or more to taste)

Spices:

• 2 tsp turmeric
• 1 tbsp medium or hot curry powder
• 1 tsp coriander seeds (or ground coriander)
• 1 tsp cumin powder
• 5-6 bay leaves
• 1 tsp whole black peppercorns (optional)
• Salt to taste
• 1 tsp cornflour (mixed with 2 tbsp water)
• Cooking oil (for frying onions)