01 - Preheat oven to 425°F. Line a baking sheet with parchment paper.
02 - Remove damaged outer leaves from cabbage. Slice from top to stem into 1-inch thick steaks.
03 - Arrange cabbage steaks in a single layer on the prepared baking sheet.
04 - Brush both sides of each cabbage steak with olive oil.
05 - Sprinkle evenly with salt, pepper, garlic powder, and smoked paprika.
06 - Roast for 25–30 minutes, flipping halfway through, until golden brown and crispy on edges but tender inside.
07 - Transfer to serving platter. Garnish with chopped parsley and serve with lemon wedges.