500 g cod
caper
chives
sunflower oil
flour
For the batter
9 g yeast
250 g all-purpose flour
330 ml beer
25 g corn flour
50 ml white vinegar
10 ml red vinegar
Salt
Pepper
For the skordalia
3 medium cloves garlic
120 ml olive oil
40 ml lemon juice
300 g boiled potato
200 g breadcrumbs
Salt
Pepper