Cloudflare's London office conducted an extensive review of 30 types of mince pies, with 68 participants rating them on four key metrics. The top five pies were Heston from Waitrose Spiced Shortcrust Mince Pies Lemon, Dunns Traditional Deep-Fill Pastry Mince Pies, Fortnum & Mason, Marks & Spencer Standard Mince Pies (red box), and Marks & Spencer Extra Special Mince Pies. Other notable mentions include Greggs, Costco, Mr Kipling, Aldi (Cognac Steeped), and Jimmy’s Home-made Pies. The detailed reviews provided insights into the pastry/filling ratio, pastry quality, filling flavors, and overall impression of each pie.