We all have a few guilty pleasures; things we enjoy even though we know they're not good for us. One of mine is Pillsbury crescent rolls. I just love 'em. Couldn't really tell you why, but I do. Fortunately, as guilty pleasures go, crescent rolls are not a particularly expensive indulgence. I often find coupons for them and, when I pair the coupons with sale pricing, I can buy them for less than a dollar a tube. (I tell myself I could scarcely make them from scratch for so little. ;) A while…