Cut the chicken into cubes about one inch in size.
Using the sauté setting on the Instant Pot add the olive oil and heat until warm.
Add the sliced onion and mix for 2 minutes until the onion softens.
Add the chicken and stir until the outside of it becomes seared. Turn off the sauté setting.
In a small bowl combine the garlic, ginger, peanut butter, sesame oil, soy sauce and honey
Add to the chicken and mix well.
Add the chicken broth and place the lid on top of the pot.
Secure properly and set on high pressure for 4 minutes.
After 4 minutes, carefully release the steam and then take the lid off.
Turn the Instant Pot to sauté again and stir in the broccoli florets and chopped cashew nuts.
Cook the broccoli for 2 minutes or until slightly softened.
Serve over rice and garnish with extra chopped cashew nuts