I worked at restaurants when going through school, the amount of food you get rid of daily that could be taken to the shelter is ridiculous. But many people/companies are afraid of a lawsuit so the food is trashed.
This is from Norway. They were training new employes, and were using «practice dough» that would never be actual pizzas. But honestly, I’d gladly eat practice pizza
https://en.m.wikipedia.org/wiki/The_Stuff
(Pretty good movie btw, watch it if you haven't.)