Toss cauliflower florets with avocado oil, chili powder, garlic powder, onion powder, cumin, salt, and pepper. Make sure the spices are well-distributed..
Spread evenly on a baking sheet lined with parchment paper and roast for about 20 minutes.
Remove from the oven and flip cauliflower for even cooking. Roast an additional 10-12 minutes, until tender with crispy edges.
Remove from the oven and serve topped with fresh cilantro, onion, lime wedges and avocado.