Add Yahoo as a preferred source to see more of our stories on Google. Walmart Say goodbye to fast food lunches—meal prepping is one of the easiest ways to save time and money during a busy work week.

It’s lunchtime, and you have no time to spare. You end up grabbing something quick, like always, and in the end, you wish you’d managed to pack that salad from home. If you want to shake up your daily ...