1kg potatoes, halved or quartered, if larger
1 cup whole egg mayonnaise
3/4 cup sour cream
3 spring onions, finely sliced
1/2 cup continental parsley, roughly chopped
1/4 cup basil leaves, torn
1/2 cup pitted green olives
50g walnuts, toasted and roughly chopped
1 pomegranate, deseeded (keep seeds only)