Preheat the oven to 425°F (218°C). Line 2 rimmed baking sheets with parchment paper or aluminum foil.
In a large bowl, whisk together the lime juice (reserve the zest for later), coconut oil, salt, and Sriracha.
Cut the sweet potatoes into 1-inch (25-mm) slices, either circles or half circles. Dump them in the bowl and toss to coat with the lime Sriracha elixir.
Arrange the sweet potatoes in a single layer on the baking sheets. Roast, stirring at least once or twice, until fork tender, 30 to 40 minutes.
☞ TESTER TIP: The sweet potatoes will be unevenly spotted with brown patches, sorta like a leopard, when done.
Transfer to a platter. Taste and, if desired, add more salt and Sriracha. Sprinkle with the lime zest and cilantro and commence the devouring.