1. For the salsa, add the mango, melon and chilli to a bowl. Peel and finely grate the root ginger, place in a sieve and squeeze the juice through onto the fruit, pressing through with the back of a wooden spoon. Add the lime zest and juice and season with a little salt and pepper. Leave the mixture to sit for up to 20 minutes in order to allow all the flavours to meld together.