Yep, leftovers. I think people really overlook leftovers and don't use them and toss them out. What a waste of money! I'm not into wasting money, especially when it comes to food, the one thing we can control.
We love leftovers in our house. I try (yes, I said try) to cook 5 times a week and whatever we don't eat goes in it's own container, with a label, into the freezer and placed on our freezer inventory list. This inventory list is to always know what we have to eat in the freezer, saving us time and money. We call them "convenience meals." They're an easy grab from the freezer and are always delicious. Most everything freezes well, so there's no excuse in our house to go out to lunch every weekday.
Hubby works away from home and he loves his leftover lunches. He gets many questions each week as to what he's brought from home and what smells so good. That makes me feel good and know he's eating a good lunch and is taken care of while at work. I just love knowing he's well fed. :)
Now, I know not everyone has enough food to have leftovers, but if you do every once in a while, this is a great way to save your leftovers.
When I see my freezer meal stock getting low, I try and cook a little more to build this back up so we always have good and hot meals to eat.