1. 1. Cook the white rice according to package instructions.

2. 2. Cut the boneless chicken breast into small pieces.

3. 3. Heat oil in a pan over medium heat.

4. 4. Add minced onion to the pan and sauté until translucent.

5. 5. Add the chicken pieces to the pan and cook until browned on all sides.

6. 6. Add sliced bell peppers to the pan and stir-fry for a few minutes until slightly tender.

7. 7. Season with salt, pepper, and any other desired spices or sauces.

8. 8. Serve the stir fry over cooked white rice and enjoy!