1.Cut pomegranate in half. Hit shell with a spoon to release the seeds into a small bowl. Remove any membrane. Reserve 1 teaspoon seeds; grind remaining pulp in mortar and pestle. Strain pulp into blender; discard solids.
2.Add yoghurt, honey and chopped banana to blender; blend until smooth.
3.Finely chop nuts. Pour smoothie into glass; top with reserved pomegranate seeds and nuts.