Many patients in a nursing home have their stay there funded either by an insurance policy, through self pay, or through general taxation from you and me (state and federal funding). In theory, no one should be paying for the food that staff members would like to eat for their breakfast, lunch and dinner.
The problem here is not what to do with the left over food, the real problem is that the chef needs to cook the proper amount of food so there is NOT enough left over food to feed the staff three meals a day. This is where gross misappropriation of funds happens. But, you see, the problem is that if the establishment prepares less food, then the food budget goes down and less funding for food will be appropriated the following year. So, throwing food out is the solution.
I had a friend who was in the Navy on a ship, out at sea. One day, he witnessed office furniture being dumped into the ocean. Yes, perfectly good file cabinets, desks, chairs and other office equipment just being tossed overboard. Apparently it was okay to pollute our ocean in exchange for a larger office equipment budget request for the next year to up the status quo of the previous year's budget.
Same principal with the food budget at the Nursing Home.