Parmesan-crusted roasted cauliflower

Ingredients

1 head cauliflower

1 sliced medium onion

4 thyme sprigs

4 unpeeled garlic cloves

3 tablespoons olive oil

Salt

White or black pepper

1/2 cup grated Parmesan

Preparation

Preheat oven to 425 degrees F. Cut cauliflower into florets; toss on a large rimmed baking sheet with onion, thyme, garlic and olive oil. Season with salt and pepper. Roast, tossing occasionally, until almost tender, 35-40 minutes. Sprinkle with 1/2 cup grated Parmesan. Toss to combine. Roast until cauliflower is tender, 10-12 minutes longer.