Heat olive oil in a frying pan over a medium heat.
Add scallops and fry over a medium heat for 1 minute on each side.
Add butter and garlic into the pan; continue to cook for 1 more minute.
Remove the pan from the heat, and squeeze ½ lemon over the scallops and sprinkle in the parsley.
Remove scallops and serve drizzled with the juices from the pan.