Blueberry Sorbet Buckwheat Cornets

Sorbet

Put the sugar into a pan with the water and bring up to the boil, stirring until the sugar has completely dissolved.

While the sugar syrup is heating, finely grate the zest of the lemon into a large glass jug. Squeeze the juice of the lemon, and add to the zest.

Shake the elderflowers outside, to make sure there are no insects hanging