Toffee, hazelnut and whisky tart with raspberries

By Matt Tebbutt From Saturday Kitchen Ingredients For the tart 100g/3½oz hazelnuts 120g/4½oz caster sugar 25–50ml/½–2fl oz whisky 500ml/18 fl oz double cream 7 free-range egg yolks 40g/1½oz light brown sugar 1 x 18cm/7in ready-made sweet pastry case To serve 400g/7oz …