If you're a Costco member, you may have noticed some of their tasty looking desserts.  Have you tried any of them?  I found this lovely Tuxedo Chocolate Mousse Cake last  Saturday on our monthly Costco run and I just had to get it! I must say, It is definitely as good as it looks. Actually, it's even better!  It's generously sized, and at $15.99 it's well worth it.  You can't tell by the pictures, but it's over a foot long!  Between my husband, daughter, and I we still haven't finished it up! The cake is so rich and filling a skinny sliver will do. This cake could easily feed 10 people, Keep reading...