01 - Set the oven to 425°F. Line a baking sheet with parchment paper.
02 - In a large bowl, toss cauliflower florets with olive oil, smoked paprika, garlic powder, cumin, salt, and black pepper. Spread evenly over the prepared baking sheet.
03 - Roast the cauliflower for 20 minutes, stirring halfway through for even browning.
04 - Remove from oven, toss cauliflower with barbecue sauce, and return to oven for 5 minutes until caramelized and fork-tender.
05 - Heat 1 teaspoon olive oil in a skillet over medium-high. Add corn kernels, season with salt and black pepper, and sauté for 3 to 4 minutes until lightly charred. Set aside.
06 - In a mixing bowl, combine shredded red cabbage, green cabbage, carrot, lime juice, olive oil, and a pinch of salt. Toss well.
07 - Heat tortillas in a dry skillet or microwave until pliable.
08 - Fill each tortilla with slaw, barbecue cauliflower, sweet corn, sliced avocado, and cilantro. Serve with lime wedges.