01 -
Heat oven to 400°F, rack in center.
02 -
Pat fish dry, make 2 slits on each side.
03 -
Season with salt and pepper inside slits and cavity.
04 -
Stuff cavity with onion and lemon.
05 -
Roast 5 minutes per side until flakes easily.
06 -
Broil 3-4 minutes until skin chars.
07 -
Make ladolemono sauce while fish cooks.
08 -
Transfer fish to platter, drizzle with sauce.
09 -
Top with seasoned tomatoes and dill.