Grease
a baking tin. Line with thin slices of potato and on top of it
a layer of onion rings. Sprinkle chopped garlic and thyme, salt.
Drizzle some oil. Take to pre-heated oven at 170º C, mid-height
for 10 minutes.
Take out and place the sea bass previously salted inside and outside.
Take to oven for another 20 minutes. (You may use a brochette
stick to probe the center and see if it’s ready).