Place the two chicken breasts in the pressure cooker. Pour the tomato sauce, apple juice, seasoning, and salt over the chicken
Put the cover on the pressure cooker, seal the valve, set it for 10 minutes. Allow the valve to release naturally for 10 minutes and then carefully open the cover
With a fork, remove the chicken breasts and place them on a cutting board. Shred the chicken with a fork and serrated knife
Leave the remaining liquid in the pressure cooker and simmer for about 15 minutes. The liquid will reduce to a sauce
Turn the pressure cooker off and add the chicken into the sauce. Mix thoroughly. Adjust the seasoning to your taste
Arrange the chicken in your choice of shells and top with your favorite toppings!