Step 2

Preheat oven to 200C fan-forced (220C conventional). Place the cauliflower, oil, salt and pepper in 2 x 2.5-cup capacity baking dishes and toss to combine. Loosely cover with foil and roast for 15 minutes.

Step 4

Meanwhile, mix together mascarpone, cheeses and mustard. Remove cauliflower form the oven add lasagne sheets, placing around the cauliflower, and spoon over the mascarpone mixture.

Step 6

Return to the oven and bake for 15 minutes, or until golden and bubbling, adding the sage leaves in the last minute of cooking.

Step 8

Serve with grated parmesan.