Stuffed Chicken & Shells Casserole  Lately, I’ve been glancing through a lot of the old cookbooks I inherited from my Nana. In one of the books, I came across a recipe for Chicken Stuffed Shells. The recipe looked delicious, however, the directions had more steps than I cared to follow. Since I can sometimes be lazy in the kitchen I decided to simplify this recipe by turning it into a casserole. I liked the idea of the shells but, hated the idea of stuffing each one individually which would take a lot of time. Instead, I decided to use a box of mini shells.  Doing it this way not only saved…