One thing folk do is they don't take it out of the fridge or packaging....1 hr before and pat dry
One good tip -spread and massage some duck or goose fat on top of it as it doesn't have much fat in the meat. Then season - sea salt.
Make your veg trivet - I like celeriac, carrots, celery root etc and throw in a bay leaf, sprig of thyme and a few black peppercorns etc
I cook at 200 fan and reduce to 170 after 20 minuts and give it 10 to 12 minutes per half kilo - resting then for 20 under foil and a tea-towel - roasted veg to the gravy......