I learned something while playing with this recipe, trying
to find out about the breadcrumbs.
I learned that Square Sausage and Lorne Sausage are two
different products, or at least they used to be, now the name
Lorne is sometimes used for the square ones too.
Lorne was a district in Dumfries and Galloway, which was noted
for its beef, might still be of course.
The Square Sausage used 1lb beef + 1lb pork, whereas the Lorne
used 1lb beef + 1/2lb of beef fat, I think that, that recipe has faded
into history, but the name lives on, recycled.
Mike.