Crispy Chipotle Sweet Potato Tacos with Lime Crema

Name: Crispy Chipotle Sweet Potato Tacos with Lime Crema
Prep time: 20 min
Cook time: 45 min
Total time: 1 h 5 min
Cuisine: Latin American, American, Mexican
Ingredients: 2 tablespoons extra virgin olive oil; 2 medium sweet potatoes, cubed; 2 teaspoons chipotle or regular chili powder; 2 teaspoons smoked paprika; 1 1/2 teaspoons ground cumin; 1 teaspoon garlic powder; 1/4-1/2 teaspoon crushed red pepper, use to your taste; 1/2 teaspoon dried oregano; 1 teaspoon kosher salt; 1 poblano pepper, seeded and chopped; 1 cup canned black beans, drained; 8 grain-free hard shell tacos (if preferred) ((see notes for homemade option)); 1 1/2 cups shredded Mexican cheese; 1 cup fresh cilantro, chopped; 1 jalapeño, seeded, if desired, and chopped; mashed avocado, for serving; 1/2 cup plain Greek yogurt or sour cream; 3 tablespoons mayonnaise; zest of 1 lime; sea salt