We have an arrangement with our local Chinese restaurant. We love to eat there anyway and they save the veggie clippings from bok choi (which our chickens google up), the ends of snapped green beans, and other assorted fresh bits. The girls free range and get feed and scratch, but the greens are like forage for them and they are getting a healthy mix. We pick up a box of veggie clippings once a week during the pandemic, used to be two when they could serve inside. Works great for both of us. Since our city doesn't have commercial composting it would just go in their trash. When they don't have enough for our flock we also glean clippings from our local farmers market.