Not sure without actually seeing it used. It could be pinches, parts per [ as in ppm, parts per million], parts [as in three parts to 1 part], or even pints, or pounds. It should be noted that in editing PP and pp mean new paragraph and pages respectively, if it were left there accidentally while editing the recipe.
"pp" can stand for "pages" in document formatting. So, "60 pp" would mean 60 pages.
pp means private parts.
In hockey statistics, the PP stands for Power Play.
Pianissamo
Pages.
How many times you can use a move. PP stands for power points.
printers proof
Per procurationem (by proxy)
usually, it means "pages".
power play
You think probable to polypropylene.
The standard recipes refer to the ideal recipes that is used in the normal situation.