Prepare the couscous in a bowl according to package instruction, then break it up with a fork and dress with a drizzle of olive oil, salt and pepper.
STEP 2
Let the couscous cool, add the grated Grana Padano cheese, garlic, chopped parsley, and mix well.
STEP 3
Top each scallop shells with the couscous. Arrange the scallops on a baking sheet lined with parchment paper and bake in a preheated oven at 200 °C for 10-15 minutes, until golden. Serve the scallops au gratin while still warm.