100²µ/3½´Ç³ú carrot, roughly chopped
100²µ/3½´Ç³ú celery, sliced
1 fennel bulb, roughly chopped
12 garlic cloves, finely chopped
4 garlic cloves, crushed
25g/1oz button mushrooms, sliced
1 onion, roughly chopped
100²µ/3½´Ç³ú finely chopped flatleaf parsley
60²µ/2¼´Ç³ú shallots, finely chopped
1 sprig fresh thyme
400g/14oz short-grain paella rice, such as calasparra
4 tbsp olive oil
175ml/6fl oz extra virgin olive oil
1½ tsp salt
½ tsp fine table salt
1 litre/1¾ pints fish stock (see above)
1 medium free-range egg yolk
30 raw clams, preferably palourdes (vongole), scrubbed
200g/7oz raw small prawns, peeled