Preheat the oven: preheat the oven to 180°C / 350-375°F / Gas Mark 4-5.
Panko breadcrumbs: place a large non stick frying pan onto the stove, turn the heat to high and add the olive oil. Once the oil has heated add the panko breadcrumbs and cook for 2-4 minutes until toasted and golden brown in colour. When they are done, turn the heat off and move the frying pan off the hot element.
Stuffing: next add the diced bacon and crab meat to the food processor bowl. Then add the green onions, Worcestershire sauce, salt and pepper. Blitz to roughly chop for 5-10 seconds.
Scallops: working one at at time remove each scallop from its shell, rinse both the scallop and the shell then pat them both dry using paper towel.
Baking tray: line a baking tray with parchment paper then place the empty dried scallop shells across the tray in one flat layer.
Stuff: place one scallop into the empty shell until they are all done. Then use a teaspoon to scoop 1 - 1 ½ teaspoons of the stuffing mixture onto and around the sides of each scallop. Then repeat this process until all of the scallops have the stuffing on them.
Cheese and breadcrumbs: next sprinkle parmesan cheese over the top and sides of the stuffing for each scallop. Once done, sprinkle the toasted breadcrumbs over the top (as the cheese melts, it will ensure the breadcrumbs 'stick' to the stuffed scallops).
Oven bake: place the baking tray with the stuffed scallops into the preheated oven on the middle shelf. Bake the scallops for 12 to 15 minutes until the cheese has melted and the stuffed mixture has baked through.
To serve: once the scallops have cooked, use an oven mitt to remove the baking tray from the oven. Place the tray onto a heatproof surface and transfer the scallops to serving platter. Sprinkle with some finely chopped fresh parsley and serve immediately.