01 - Preheat oven to 425°F. Line a baking tray with parchment paper.
02 - Toss diced sweet potatoes and red onion with olive oil, cumin, smoked paprika, chili powder, salt, and black pepper until evenly coated.
03 - Spread the seasoned vegetables on the prepared tray and roast for 25 to 30 minutes, stirring halfway through, until golden and tender.
04 - Sauté minced garlic in a skillet over medium heat for 1 minute. Add black beans and roasted vegetables, cooking for 2 to 3 minutes while stirring gently.
05 - Warm the flour tortillas in a dry skillet or microwave until pliable.
06 - Divide the sweet potato and black bean mixture evenly among tortillas. Top with grated cheese, chopped cilantro, and a squeeze of lime juice.
07 - Add optional toppings if desired. Fold sides in and roll burritos tightly.
08 - Toast burritos seam-side down in a skillet for 2 to 3 minutes for a crispy exterior.
09 - Serve immediately accompanied by salsa, sour cream, and lime wedges.