composting for beginners compost gets its start from organic materials that homeowners can easily access - yard waste and food scraps - which break down into a nutrient-rich soil amendment that can be added to garden beds setting up a compost bin • food scraps top off with a layer of soil or completed compost to add additional microbes to your mix compostable food scraps non-compostable food scraps sunicast • fruit and vegetable scraps and peelings • coffee grounds and tea leaves • meat • bones • fat and grease • dairy products tumbling composter 1" diamater tubing for heavy duty frame stationary composter