01 - Preheat oven to 425°F. Line a baking sheet with parchment paper.
02 - In a large bowl, toss sweet potatoes, bell pepper, and red onion with olive oil, cumin, smoked paprika, chili powder, salt, and pepper until evenly coated.
03 - Spread vegetables in a single layer on the baking sheet. Roast for 25-30 minutes, stirring halfway, until sweet potatoes are tender and edges are caramelized.
04 - In a large skillet over medium heat, add a touch of olive oil and sauté garlic for 1 minute until fragrant. Add black beans and roasted vegetables; cook for 2-3 minutes, stirring, until heated through. Adjust seasoning if needed.
05 - Warm tortillas in a dry skillet or microwave until pliable.
06 - Divide the filling among the tortillas. Top with cheese, cilantro, avocado, and any desired toppings.
07 - Fold in the sides and roll up each tortilla into a burrito. Serve with lime wedges and extra salsa or sour cream.