1.Preheat oven to 200°C/400°F. Cut a cross into the base of the cauliflower with a sharp knife. Place in a large, heavy-based casserole dish or roasting pan.
2.Pour stock into dish. Combine melted butter, smoked paprika, garlic and parmesan in a small bowl; season. Brush over cauliflower.
3.Cover dish with a lid or foil; bake for 20 minutes. Remove lid; bake, uncovered, for a further 15 minutes or until cauliflower is tender and browned. Sprinkle with parsley. Season.