01 - Preheat the oven to 425°F and line a large baking sheet with parchment paper.
02 - In a large bowl, combine olive oil, turmeric, cumin, smoked paprika, salt, and black pepper.
03 - Add the cauliflower florets and toss thoroughly to coat evenly with the spice mixture.
04 - Spread the cauliflower evenly on the prepared baking sheet in a single layer.
05 - Roast for 25–30 minutes, tossing halfway through, until golden and crisp-tender.
06 - Remove from the oven and sprinkle with lemon juice.
07 - Transfer to a serving platter and garnish with fresh cilantro and toasted sesame seeds, if desired.