In your crock pot, pour in your 28 ounce can of cream of chicken soup, block of cream cheese and frozen chicken breasts. Sprinkle the lemon pepper over the top.
Cover and let cook for 4 hours on high or 8 hours on low. Basically, when the chicken is shreddable, it's done.
Shred chicken. You can pulse chicken in a food processor or use 2 forks to shred your chicken.
After you shred your chicken, put it back in the pot and stir.
To assemble your haystack, start with a pile of rice, then some chicken gravy, then all the toppings you want.