Once it reads "HOT", add in oil, red onion, carrots, celery, mushrooms, garlic, and ground turkey.
Cook for about 10 minutes or until the veggies start to get tender and the turkey is cooked. Break up the turkey as you go, but don't break it up too much or you'll lose texture.
Drain the liquid.
Add in taco seasoning, tomatoes, bell pepper, and water.
Seal the lid (making sure the valve is pointed to sealing) and cook under high pressure for 15 minutes.**
Turn the knob to quick release.
Serve with a slotted spoon (there WILL be a lot of liquid, but it keeps the turkey moist.)
*Ensure taco seasoning is certified gluten-free if necessary.**It takes time for the instant pot to come to pressure. Once it comes to pressure, THEN it will start to count down from 15.