Roughly 12 months ago we received a free sample of Oat Slice Cookies with our weekly grocery shop. They were tasty and convenient, though nothing particularly nutritious at roughly 150 calories from mostly carbs and fat. A box of 4 individually wrapped snacks retailed for a whopping $5.50. The more I thought about it, the more it annoyed me. Of course there is always a cost for convenience, but these were simple oat cookies. I want to encourage you to give these ago, not just to cut a few dollars off your grocery bill, but also to enjoy the process, eat a more delicious cookie and waste a bit less…