Ger creative with leftover--even a small amount that might not look worth saving can often be reused as an ingredient or topping for another recipe, i.e. leftover chicken and rice going into a soup.

a year

eat leftovers, no wasting

I use those green boxes that extend the life of produce and food. They really work and have saved me so much money.

We always freeze leftovers in lunch plates for meals to reheat.