Whisk all of the sauce ingredients together in a small bowl or jar. Set aside.
Cut chicken into bite sized pieces, and heat a large skillet or wok over medium-high heat and add oil.
Once hot, add chicken to pan, season with generous pinches of salt and pepper and cook stirring occasionally until chicken is cooked through, about 7-9 minutes. Remove from pan and set aside on a plate once done.
While chicken is cooking, chop bell pepper, onion and pineapple as noted.
When chicken is done, add more oil to pan if needed and add veggies and pineapple to pan to cook until softened, about 5-6 minutes.
Add sauce and chicken back into skillet and continue to cook, stirring often until sauce thickens up, about 2-3 minutes.
Serve over rice or cauliflower rice for Whole30, in a lettuce wrap or over greens. Enjoy!
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