01 - Preheat oven to 400°F and line a baking sheet with parchment paper.
02 - Prick sweet potatoes all over with a fork, place on prepared baking sheet, and bake for 40–45 minutes until tender.
03 - Let potatoes cool slightly, cut in half lengthwise, and carefully scoop out flesh leaving a 1/4-inch border. Reserve scooped flesh for another use.
04 - Lightly brush insides with oil, return to oven cut side up, and bake for 10 minutes until crisp.
05 - Combine black beans, cherry tomatoes, red onion, jalapeño, corn, cumin, smoked paprika, chili powder, salt, and pepper in a mixing bowl.
06 - Fill each potato skin with black bean mixture and top generously with shredded cheese.
07 - Return to oven for 5–7 minutes until cheese is melted and bubbly.
08 - Remove from oven, top with Greek yogurt, diced avocado, cilantro, and a squeeze of fresh lime. Serve immediately.