Remove the outer leaves from the Brussels sprouts and trim and discard the tough bases. Slice the sprouts in half. Arrange across a shallow roasting tray and dot with the butter. Transfer to the oven for 8 minutes to bake until just tender.
Step 3
Crush the garlic and sprinkle over the sprouts, along with the lemon zest, parmesan, salt and pepper. Toss to combine.
Step 4
Return to the oven for a further 8 minutes or until the cheese has melted and the sprouts are tender and golden at the edges.