[header] How to store leftover pasta [title] Place the cooked pasta in an airtight container. [step] The container you use should have a lid or other type of secure closure to keep air from getting in. When exposed to air, the moisture in cooked pasta can become a breeding ground for bacteria and mold. 
Make sure the container is fully sealed before putting the pasta away. [substeps] If you're storing your pasta in a ziploc bag, squeeze as much air out of the bag as you can before sealing and stashing it.