Food waste isn’t just bad for the environment, it’s bad for business.

Just one restaurant sends on average about 50,000 pounds of food to landfills each year. Once at a landfill, food waste generates methane, a greenhouse gas 25 times more powerful than carbon dioxide. But food waste isn’t just bad for the environment, it’s bad for business.

More organizations are joining the Ecotone Renewables community creating a greater opportunity for composting to local citizens. 

If you have access to a ZEUS digester review our composting guidelines.

What can be composted

Food scraps

Cooked food

Fruit and vegetable scraps 

Egg shells 

Coffee grounds

Coffee filters 

Tea bags 

Loose leaf tea 

Spoiled soy/rice/almond/oat/coconut milk

Used paper napkins and paper towels 

Unwaxed cardboard pizza boxes (small pieces)

Paper bags (shredded) 

The crumbs you sweep off of the counters and floors 

Cooked pasta 

Cooked rice 

Stale bread, pitas, or tortillas 

Stale tortilla chips or potato chips 

Spoiled pasta sauce or tomato paste 

Crumbs from the bottom of snack food packaging 

Paper towel rolls (shredded) 

Stale crackers 

Stale cereal 

Cardboard boxes from cereal, pasta, etc. (Remove any plastic windows and shred)

Used paper plates (as long as they don’t have a waxy coating)

Nut shells (except for walnut shells, which are toxic to plants) 

Spoiled tofu and tempeh 

Seaweed, kelp or nori 

Unpopped, burnt popcorn kernels 

Old herbs and spices

Stale pretzels

Stale candy (crushed or chopped) 

Stale protein or “energy” bars 

Pizza crusts 

Old oatmeal 

Peanut shells 

Cardboard egg cartons (cut them up) 

Stale pumpkin, sunflower or sesame seeds (chopped up so they can’t sprout)

Avocado pits (chopped up so they don’t sprout) 

Wine corks (chop up so they decompose faster) 

Moldy cheese (in moderation) 

Melted ice cream (in moderation)

Old jelly, jam, or preserves

Stale beer and wine 


Bamboo skewers (in pieces) 

Paper cupcake or muffin cups 

What can't be accepted into the digester




Metals of any kind