It's a raised pie, eaten hot, with a filling of minced meat and sometimes vaguely vegetably stuff like potato, all mixed so it has a fairly dry texture, similar to sausage meat. Incredibly lardy.
"The best, or usual, way of eating a Scotch pie is when pissed out of your mind – it’s a vernacular equivalent of the late night Vindaloo in more sensible climes. "
Psssk. They are wrong. Scotch pies should be savoured with beans, gravy and a bit of bread to wipe up the beans & gravy afterwards. Scotch pies are great.