In a large bowl, toss together the sweet potato cubes with olive oil and 1 tsp of the taco/chili lime seasoning.
Roast the sweet potatoes: at 400 F in the oven for 25-30 minutes, or at 400 F in air fryer for 10 minutes. Once cooked, let cool and toss with the sauce below.
In the same bowl, toss together the jar of Corn & Chile salsa, the black beans. Then add the roasted sweet potato cubes and toss together.
In a small bowl, whisk together the sour cream and remaining taco/chili lime seasoning. Set aside to drizzle onto tacos.
Assemble tacos by adding the sweet potato-corn-black bean combo onto the flour tortillas. Drizzle the sour cream over the top of the combo.
Serve Vegetarian Sweet Potato Tacos as is, or with favorite salad side dish. Enjoy!