"The best tacos! A soft shell taco is layered with refried beans, then wrapped around a hard shell taco, which is filled with seasoned ground beef and topped with cheese, lettuce, tomato, onion, sour cream and fresh guacamole. You can top it with whatever you like, but I recommend loading it up! Also, if you don't eat meat, put melted cheese on the soft shell, and the refried beans in the hard."
This looks amazing.
I'm going to have to try this tonight - http://allrecipes.com/video/7444/double-decker-tacos/