Preheat BBQ and cast-iron pan. If using stovetop, wait until the dressing is made before placing pan on medium heat.
Melt butter over medium heat in a small sauce pan.
Once butter is sizzling, add onion and saute until onions are translucent.
Add savoury, salt and pepper and stir. Take off heat.
Using a spoon or your hands, place the stuffing in the cavity of the cleaned squid. Do this for all squid.
Place squid in cast-iron on the BBQ or the preheated frying pan on the stove.
Fry squid for 5 minutes on each side and then flip. Depending on size of squid, cook times will vary, but squid will be done when flesh is firm and a deep pink colour.