I found this recipe on Pinterest in 2011. I have been making it regularly for 4 years because it is so so good and so fast. I put frozen chicken breasts in the crock pot in the morning and let it cook for the day. Then I shred it when I was ready to assemble dinner. If you want to make this a no prep meal, have the shredded chicken in the freezer and you can assemble everything in 30 minutes.
Make this asap…and be sure to serve it with extra yummy toppings. My kids love their with sour cream and extra cheese. My husband tops his with salad fixings, and give me ALL the guacamole and black olives. OH YUM!