2 onions, peeled, sliced
1 sprig fresh thyme
1 tbsp plain flour
1 tbsp Worcestershire sauce
salt and freshly ground black pepper
2 tbsp olive oil
陆 tsp salt
50g/2oz butter, cut into cubes, plus extra for greasing
2 x 250g/7oz black pudding rings, outer casing removed, thickly sliced
4 lambs' kidneys, cleaned, trimmed, cut into quarters
1kg/2lb 2oz neck of lamb, chopped into bite-sized pieces
250ml/9fl oz lamb stock