N a small bowl, make the dressing by whisking together the wholegrain mustard with pomegranate molasses or honey, vinegar and oil. Season to taste
Heat a griddle pan over a high heat. Cut the cheese into 8-10 slices and griddle for 1-2 minutes each side until charred and starting to melt.
Divide the rocket leaves between 2 serving plates, arrange the griddled halloumi slices on top. Spoon over the dressing and sprinkle over the pomegranate seeds and mint leaves. Serve immediately with warmed pitta.