Here are some solutions to avoid waste: 1 / Dehydrate them If you have a dehydrator, dehydrate the vegetables for 12-16 hrs, or until they're dry, reduce them to a powder in a blender to make a powdered broth. If you don't have this appliance, bake them in a 100 ° F (38 ° C) oven with the door open until they're dry. 2 / Turn it into a purée Blend them with a little water. Put one part in the freezer and keep the other in the fridge to enhance your dishes' flavor. 3 / Feed the earth Finally, put them in the compost for your garden or the city.