Make the dough. Beat the sugar, cream cheese and butter until light and fluffy. Add the egg and vanilla and beat again. Scrape down the sides of the bowl and add the flour, 120g (1 cup) of the biscuit crumbs and the salt (reserve the leftover crumbs). Beat until incorporated. Add 120g (1 cup) of the raspberries and beat until just combined (reserve the leftover raspberri