1 Mix the squid with the lemon juice in a bowl, ensuring the squid is thoroughly coated. Set aside to marinate for 30 minutes.
2 Heat the barbecue or a grill (broiler) to its highest setting and cook the squid, reserving its marinade, for about 3 minutes on each side.
3 Meanwhile, melt the butter in a wide pan and add the squid marinade and parsley. Bring to a simmer and season with salt and pepper. Pour the sauce over the squid and serve immediately.