Asparagus, lemon and ricotta log
By Matt Tebbutt From Saturday Kitchen Ingredients 1 x 320g/11½oz puff pastry sheet 50g/1¾oz plain flour, for dusting 250g/9oz ricotta, hung overnight and crumbled 1 lemon, zest only 2 thyme sprigs, leaves picked and roughly chopped 6–8 asparagus spears, trimmed and shaved 40g/1½oz Parmesan, grated, …