To make the meringues

Preheat the oven to 150C Gas Mark 2

Put the egg whites in a bowl and whisk until they form soft peaks

Add 100g of the sugar and keep whisking

Add another 100g of the sugar a little at a time until the mixture forms stiff peaks

Fold in the remaining sugar

Place spoonfuls of the mixture on a baking tray lined with baking parchment.

Bake for 15 minutes

Decrease the oven to 110C Gas Mark ¼ and bake for 2 -3 hours until crisp and dry

To make the raspberry sauce heat the raspberries and sugar together until the raspberries pop.

Pass the mixture though a sieve to remove the seeds.

Whip the double cream and spoon into bowls. Stir through some raspberry sauce and sprinkle some crushed meringues on the top.