A kitchen compost bin is simply one part of a composting system, which extends to your backyard or composting centre. Your organic food scraps from cooking, such as fruit and vegetable peels, eggshells and coffee grounds go into your countertop compost bin until they’re ready to be taken to the outdoor compost to decompose, rather than going to landfill. Kitchen compost bins should be made out of a non-porous material, such as porcelain or metal, for easier clean up between disposals. Air holes on your compost bin lid are also necessary to allow the material to properly decompose.