To any size Instant Pot, add chicken breasts, sprinkle with taco seasoning and add salsa on top.
Close the lid, set pressure vent to Sealing and press Pressure Cook on High or Manual button for 15 minutes for fresh chicken breasts or 18 minutes for frozen chicken.
After wait 5 minutes and release remaining pressure by turning valve to Venting position.
Remove chicken breasts into a large bowl and shred with 2 forks. Add 1/2 cup cooking liquid from the Instant Pot and mix.
Warm up tortillas on a hot skillet or directly on the gas stove for 1 minute or so per side. Assemble Instant Pot chicken tacos with your favorite toppings.
Video
Notes
Store: Refrigerate leftover shredded chicken (without toppings) in an airtight container for up to 4 days.
Make sure frozen chicken pieces are separated before cooking.
You can double or triple the recipe and keep the same cook time.