Some of my most favorite dinners are those from my childhood and chicken tetrazzini is one for sure.  There is just something so good about pasta, chicken and a creamy sauce all cooked together in a casserole.  To be honest I am not sure if it was the actual dish or just the fact that I LOVED casseroles.   My love of casserole’s started at an early age, some of my first memories of family dinners included a casserole of some sort or another.  My mom would make everything from a mac-n-cheese hamburger casserole to this enchilada casserole and of course her classic chicken tetrazzini, but as I have grown up I realized…