Recipe by: taste.com.au Serves: 4 Time: 45mins             Ingredients 400g can black beans, rinsed, drained 2 large zucchini, cut lengthways into 8cm lengths 2 red onions, cut into thin wedges 250g cherry tomatoes 4 (about 125g) skinless barramundi fillets 4 corn tortillas, grilled Rocket leaves, to serve Lemon wedges, to