01 - Preheat oven to 400°F (200°C).
02 - Toss diced sweet potatoes with olive oil, cumin, smoked paprika, chili powder, garlic powder, salt, and pepper. Spread evenly on a baking sheet.
03 - Roast for 20–25 minutes, stirring halfway through, until sweet potatoes are tender and slightly caramelized.
04 - Warm the tortillas in a dry skillet or microwave until pliable.
05 - Layer roasted sweet potatoes, shredded cabbage, avocado slices, and fresh cilantro onto each tortilla.
06 - Drizzle with vegan sour cream or cashew cream if using.
07 - Serve immediately with lime wedges on the side for squeezing over tacos.