1) Broth, porridge or similar.
1260 ‘flesh one day and fish the other with pottage’, Pocklington
1443 iij disshys of silver for potage, Wollaton. In later references it was probably for porridge which dialect speakers treated as a plural: 1789 I had boil’d milk pottage to my breakfast in plenty and took ‘em with pleasure, Slaithwaite. In my own experience children had to ‘eat them up’. The surname Pottage provides evidence of how the spellings porridge and potage interchanged: 1573 Robert Poddage alias Porrage, Doncaster.