I haven't checked all the posts, but I use my plastic bags when I cut veggies or scrape carrots. Especially good for banana skins and apples--they don't smell when wrapped in the garbage, if you don't want to save them, dig into garden.Good idea especially for onions as they sure smell up the garbage can.
Just put the plastic bag under your cutting board with 1/2 of bag sticking out. Cut on cutting board, scrape onto plastic bag. when finished, either fold over cuttings and throw in garbage--no odor that way--or take and put scrapings in old coffee can w/cover and when full dig scraps into garden. Either way, easy clean up. And yes, I too use them for wastebasket liners.
Nancy S -- fabric_lover