Coffee pannacotta with hazelnut ricciarelli

Egg whites, medium free-range

Castor sugar

Icing sugar

Hazelnuts

Espresso coffee, instant

Double cream

Gelatine leaves (we used costa fine leaf, from waitrose; see tips)

Ingredient ending

Metal pudding moulds or ramekins, lightly greased with flavourless oil (such as sunflower)

You'll also need