Leftover beer from parties – Now you can’t be too mad at your friends! The yeast makes beer a good compost activator, but only add enough liquid to keep your compost moist, not soggy.
Coffee grounds – Some people sprinkle coffee grounds around their plants as fertilizer, but composting is a much better use for them.
Old spices and dried herbs – Spices start to lose their potency after 6 to 12 months, but you can recycle them into the compost rather than throwing them out.
Fruit and vegetable pulp from a juicer or food mill – Treat the pulp like any other fruit and vegetable waste that goes in your compost.
Shredded paper – If you have a paper shredder at home, this is an easy source of carbon for your compost pile. Just try to stay away from glossy inserts and magazines.