I disagree also.
I own 3 stores, and I have been in the restaurant industry about 25 years now. I have seen it all.
When I worked at Harrah’s Casino & Resort, we did all the prep by hand for over 40,000 meals a day. To me its about maintaining the quality of the product, and shelf-life. Most prepped vegi’s only last about 5 days. You can use them on the 6, 7 or 8th day but your using a substandard product, and your risking your reputation by giving your customers sub-standard products.
When I worked for Domino’s Pizza we got everything pre-sliced. Yes it made everything real easy, but depending on where you were on the delivery route would determine how fresh you got your vegi’s. Most sliced mushrooms will last 7 days, but Onions are about 4 days, and Green Peppers are about 5. Food waste was high at Domino’s when I was there. Cause we would get substandard product all the time. The sad thing was, that many of the other managers, didn’t care and they would assemble sub-par pizza all the time, which cost the company dearly in advertising & marketing to re-entice the customers we were losing from putting out that kind of product.
When I moved over to work for Papa John’s each store had a Nemco manual vegetable slicer, and we sliced up our onions, and green peppers daily based on our predicted use. The product was much fresher, and the customers were much happier.
If you have an employee file a claim, and loose work, from a self inflicted knive wound while prepping vegetable. That to me is an employee that you need to get rid of anyways, cause he is probably costing you money in other aspect of the business also. Its really hard to cut yourself with a coring tool, and paring knife, and a manual vegetable slice, I think your 100 times more apt to get cut from incorrectly disposing of 10# cans, than you are from slicing vegetables.