She took the egg mold out of the steamer and, cracking it, she replaced the missing plastic gasket in the sink. "Egg white can be cast to almost any shape, is edible, and consequently, bio-degradable." Stella is one of a growing movement of homemakers who use food and other easily available materials to fix up their homes, do household chores, landscaping and auto repair. "These ceramics are made of fused eggshells, and these nails, I just made out of iron I picked out of the caldera over there after throwing in some of these rocks."