01 -
Preheat the oven to 425°F (220°C). Line a large rimmed baking sheet with parchment paper.
02 -
Remove any loose outer leaves. Trim the stem end, then slice the cabbage into 1-inch thick rounds, keeping part of the core attached to each slice.
03 -
In a small bowl, stir together the olive oil, garlic powder, onion powder, smoked paprika, oregano, salt, and black pepper.
04 -
Arrange the cabbage slices in a single layer. Brush the tops with the seasoned oil, carefully flip, and brush the other side.
05 -
Roast for 12-14 minutes, then gently flip with a wide spatula. Continue roasting for 10-14 minutes more, until the edges are browned and the centers are fork-tender.
06 -
Transfer to a platter. Squeeze lemon juice over the hot cabbage and sprinkle with parsley. Add parmesan or tahini sauce if using.