Preheat a grill or grill pan over medium heat with some olive oil.
Preaheat a non stick pan over medium heat with some olive oil.
Slice the aubergine and zucchini into thin slices lengthwise.
When the grill or grill pan is hot add the aubergines and fry for 3-4 minutes on each side.
Next add the zucchini and grill/fry for 1-2 miniutes on each side.
Meanwhile dry path the prawns using a paper towl.
Make the cauliflower rice using a high speeed blender or shredder.
When the vegetables are done remove and fry the prawns for 2-4 minutes on each side depending on the size and how raw you prefer them.
Finally add the cauliflower rice, lemon juice and season with salt according to taste. Fry for 1-2 minutes, just until the rice is a bit warm. Don't fry for too long, it should only get a bit warm, but not soft and cooked through.
Place the cauliflower on two plates, top with grilled/fried vegetables and prawns.