Place onion and garlic into the instant pot. Add water. Place chicken into the instant pot. Pour in key lime juice.
Place the lid onto the instant pot. Turn the valve to the sealed position. Press the pressure cook or manual button and set the timer to 40 minutes for frozen chicken or 30 minutes for thawed chicken. Once the instant pot stops counting, release the pressure by opening the valve.
Drain juice from chicken and shred the chicken. Place the chicken back into the pot and mix well with taco seasoning.
Serve on doubled corn tortillas or on flour.
Top with cilantro, white onion, avocado, and queso fresco.
Instant Pot Key Lime Chicken Tacos
Prep: 15 Minutes
Cook: 40 Minutes (frozen) 30 Minutes (thawed)
Serves: 6
Calories: 344kcal | Carbohydrates: 7g | Protein: 45g | Fat: 15g | Saturated Fat: 4g | Trans Fat: 1g | Cholesterol: 135mg | Sodium: 392mg | Potassium: 940mg | Fiber: 3g | Sugar: 2g | Vitamin A: 304IU | Vitamin C: 12mg | Calcium: 142mg | Iron: 1mg