01 - Preheat oven to 400°F and line a baking sheet with parchment paper.
02 - Pierce sweet potatoes several times with a fork; place on baking sheet and bake for 40-45 minutes until tender when pierced with a knife.
03 - Allow sweet potatoes to cool slightly; cut in half lengthwise and scoop out most of the flesh, leaving a 1/4-inch border. Reserve flesh for another use.
04 - Brush insides and outsides of skins lightly with 1 tablespoon olive oil; place cut side up on baking sheet and bake for 10 minutes until crisp.
05 - Heat remaining 1 tablespoon olive oil in skillet over medium heat. Add onion, bell pepper, and jalapeño; sauté 4-5 minutes until softened.
06 - Stir in black beans, cumin, smoked paprika, chili powder, salt, and black pepper; cook 2-3 minutes until heated through.
07 - Spoon bean mixture evenly into crisped sweet potato skins; sprinkle with shredded cheese.
08 - Return to oven and bake 5-7 minutes until cheese has melted.
09 - Remove from oven; garnish with cilantro, avocado, green onions, and a dollop of sour cream or Greek yogurt. Serve with lime wedges.