SC - Alojas/Aloxas -- Spanish/Catalan confection (long and polyglot)

[TG]

<< If someone (Thomas?) would care to translate the Latin here, I'd be 
grateful. >>

Well, I can try... 

Concordia pharmacopolarum Barcinonensium
  Common book/pharmacopoeia of the apothecaries of Barcelona

"ALOSA COMMUNIS PECTORALIS USUALIS.
  ordinary Alosa good for the chest/lung

Rx (=Recipe)
  Take
Sacchari albissimi -- uncias quinque
  Of most white sugar -- five ounces
Aquae Rosarum -- uncias quator
  Of rose water -- four ounces
Amyli recentissimi -- unciam unam
  Of most fresh starch -- one ounce
Olei Amygdalorum    | 
dulcium recentissimi | -- unciam semissem
  Of most fresh oil of sweet almondtrees [or: milk of sweet almonds?]
  -- half an ounce
Misce & coque in diplomate ad justam crassitiem."
  Mix it and cook it in a diploma [a double sided cooking vessel with
water in between the two sides] until it has the right thickness/
viscosity

Th.