Hot foods in lunch boxes?

How do you keep hot foods from becoming luke warm and gross in a lunch box? Besides a thermos of course. Any ideas?

About Melissa
Birth: December 31
On since: Mar 3, 2014
I am a single mom of two fantastic kiddos that I love to pieces. Currently in school working towards my teaching degree. You can find me most days on when I am not here chit chatting! :)