Cut chicken breast into small bite-size pieces.

Slice peppers into thin strips.

Pour teriyaki sauce into large skillet and heat stovetop to medium heat. Let simmer for 5 min.

Add brown sugar and let simmer until it dissolves (about 5 min), stirring occasionally.

Add chicken. When chicken is about halfway cooked, add peppers. Cook until chicken is cooked through and peppers are to your liking.

Serve over white rice.