Make Your Own Biodegradable Paper Seed Starter Cups! *Fill a blender with paper scraps (no glossy pages). *Pour in a little water at first - blend - add water - blend - until lumpy dough texture - drain. *Press a hanful into each part of a muffin tin - working it on bottom and up sides until forming a cup. *Let sit about 24 hours until dry. *Stack in plastic bags in dry place until you use them.