1 medium onion, thinly sliced
800g/1lb 12oz potatoes, peeled, halved and cut into 1cm/½in slices
1 tbsp ketchup
1 tbsp plain flour
ground black pepper
½ tsp dried mixed herbs
2 tsp soy sauce (preferably dark)
2 tbsp vegetable oil
300ml/½ pint vegetable stock, made with 1 stock cube
20²µ/¾´Ç³ú butter
100ml/3½fl oz milk
6–8 frozen vegetarian sausages (see recipe tip if using fresh sausages)
300g/10½oz frozen peas