Add the fire roasted tomatoes, chicken stock, diced onion, sliced jalapeno pepper, and spices to the inner pot of the Ninja Foodi and stir to combine the spices.
Cut the stems off of 1 bunch of cilantro and chop into about ½" size and add to the pot. Reserve the cilantro leaves for garnish in the dish you make with the shredded chicken.
Nestle the chicken breasts into the pot and try to get them as submerged as possible. Put the pressure lid on and turn the valve to seal. Set the pressure on high for 25 minutes. When the time is up, allow the pot to natural release the pressure for 10 minutes and then manually release the remaining pressure. Use a Mix 'N Chop to shred the chicken right in the pot. Use in your favorite Mexican dish and enjoy!
The nutritional values includes the broth. Store the Mexican Shredded Chicken in the broth until you are ready to use it. This will keep it moist. Reheat in the broth if not using right away. Make sure to drain the meat if you are using it in tacos so they don't get too soggy.