Preheat the oven to 190C
Chop the sweet potato into small cubes
Season and drizzle with olive oil, roast for 35 minutes.
Rinse the rice and cook as per pack instructions
Slice up the lettuce and avocado.
Rinse the black beans then fry in a pan with some oil and salt for a few mins.
Plate together with sriracha, chilli flakes, lime and salt