Season the pork with salt and thread onto skewers. Cover and refrigerate until ready to cook.
Marinate the chicken with a spoonful of yoghurt, a squeeze of lemon juice and salt. Refrigerate for an hour or so before threading onto skewers. Cover and put back in the fridge for 1 hour or until ready to cook.
Cook souvlakia over hot coals, or under a hot grill, (about 15 minutes) turning occasionally until cooked through.
Traditionally served with pita bread, parsley, onion, tomato, cucumber and lemon juice.