What’s an easy way to save money on food? Take a brown bag lunch at work or school every day. A few weeks ago I received an e-mail from Joanne Lichten, Sunbelt Snacks’ registered dietitian and author of Dr. Jo’s How to Stay Healthy and Fit on the Road. Here’s what she had to say- “We all know how easy it is to hit the local diner or even fast food spot for lunch…but then we did the math. A $6 lunch multiplied by a 5 days a week costs us $1,440 a year. That’s a house payment for many of us or a couple of car payments.” The simple…