01 -
Preheat oven to 200°C. Place trimmed and halved Brussels sprouts on a baking tray, drizzle with olive oil, and season with a pinch of salt. Roast for 15 minutes until just tender.
02 -
In a large bowl, combine pre-roasted Brussels sprouts with heavy cream, minced garlic, half of the parmesan and mozzarella cheeses, sea salt, and black pepper. Stir to mix evenly.
03 -
Transfer mixture to a lightly greased baking dish or cast-iron skillet. Sprinkle the remaining cheeses over the surface in an even layer.
04 -
Bake uncovered in the center of the oven for 17–20 minutes, or until the cheese is golden, bubbling, and slightly crisp at the edges. If the top browns too quickly, tent loosely with foil.
05 -
Remove from oven and allow casserole to rest for 5–10 minutes before serving to let the sauce thicken for optimal texture.