Dry chicken breasts with paper towels, make them dry. Don't skip this. Chop chicken into 1-2in chunks.

Turn instant pot to saute on high (more). When it is at Hot, add the oil, chopped onion and chopped chicken. Stir constantly until chicken is just browned on all sides.

Add the 1/4c orange juice and deglaze the pot with a wooden spoon. When done, cancel the instant pot.

Add the sauce ingredients to sauteed chicken. Add everything under sauce section and stir until combined and over all chicken pieces.

Manual pressure cook for 6 minutes. Natural release 10-12 minutes. While your waiting, make the thickener... Mix the cornstarch and orange juice until all clumps are gone. More cornstarch equals thicker sauce.

Release the pressure and turn back on saute mode (low or normal now). Add the cashews from garnish section. Slowly mix in thickener slurry and stir while cooking for 2-3 minutes until sauce is thick.

Turn off instant pot. Let sit for 5-7 minutes.

Spoon over there rice and add green onion and zest as final garnish when serving. Enjoy it inside your face.