In a medium bowl add your sliced onion, curry paste, coriander and cumin and begin massaging all the ingredients together. Set aside.
Next you can slice your bell pepper and zucchini, then set aside.
Cube chicken breast into 1-2 inch pieces and set aside.
Press Saute on your Instant Pot and add onion mixture. Saute it for 2-3 minutes, until translucent.
Add coconut milk, chicken broth, fish sauce and lime juice to your Instant Pot, stirring well to incorporate all the ingredients.
Next, add your cubed chicken and close the lid and pressure valve.
Cook on Manual High for 4 minutes, then perform a quick release.
Remove the lid and stir in your sliced bell pepper, zucchini and bamboo shoots.
Cook for 4-5 minutes, or until veggies and crisp-tender.
Lastly, stir in the basil.
Serve over steamed or riced cauliflower and with fresh lime wedges.