Seriously? Proper eccles pastry? Easy? Tell me more, if you please
Never made Eccles cakes, but puff or flaky pastry isn’t that hard, there are loads of recipes out there. The BBC website is usually pretty reliable, although the Nigella Domestic Goddess book is excellent and the one I turn to.
One thing I should mention: while satisfying, making pastry is a faff compared to just buying the stuff ready made. It’s not difficult, just a bit messy and time consuming. Bit like indexing your own gears rather than just dumping the bike off at the LBS.