When making a big meal, you *might* have some food leftover. I actually plan for them because leftovers are my favorite lunch! These glass storage containers have replaced the plastic ones I used to use. I have even gotten in the habit of bringing my own containers to restaurants to avoid taking a single use, disposable one. I haven't gotten completely away from ziplok plastic bags, but I do wash and reuse them. Here's a handy drying rack to make it easier. Click on the images for more info.