From the kitchen of One Perfect Bite...I like to end a picnic or barbecue with something sweet that can be served with a minimum amount of effort and mess. That pretty much rules out frosted cakes and airy pies, but it leaves the door open for all manner of plain cakes and cookies. The recipe I'm featuring tonight first appeared in Food and Wine magazine, and I knew as soon as I scanned the ingredient list, that I would have to give it a try. This is basically an oatmeal cookie that is...