Don’t Be a Turkey! Compost That Birdie! Email Did you know that food-soiled paper products, all food (including bones and shells), fats/oils/grease and even yard trimmings can go in your brown compost cart? Compost Tip: Remember that plastic, metal and glass products are NEVER compostable. Check out our Recycling Guide for more details on what is accepted in your brown compost cart and blue recycling cart.