Preheat Oven : Preheat your oven to 425°F (220°C). Line a baking sheet with parchment paper or lightly grease.
Prepare Cauliflower : Wash and cut cauliflower into bite-sized florets, removing leaves and tough stems.
Season Cauliflower : In a large bowl, toss cauliflower with olive oil, minced garlic, salt, pepper, and smoked paprika (if using).
Add Parmesan : Sprinkle grated Parmesan over the seasoned cauliflower and toss gently until evenly coated.
Arrange on Baking Sheet : Spread florets in a single layer on the prepared baking sheet. Avoid overcrowding for even roasting.
Roast : Roast in preheated oven for 25–30 minutes, flipping halfway through, until cauliflower is tender, golden, and crispy on the edges.
Serve u0026 Garnish : Transfer roasted cauliflower to a serving dish. Garnish with chopped parsley or a squeeze of lemon juice if desired. Serve immediately.