Heat oil in a large nonstick skillet on medium-high heat.

Add chicken strips to the skillet.

Cook and stir for 5 to 7 minutes, or until the chicken is fully cooked.

Add water, teriyaki sauce, and garlic powder to the skillet.

Stir to combine.

Bring the mixture to a boil.

Stir in the uncooked instant brown rice, frozen broccoli florets, and salted peanuts.

Cover the skillet.

Reduce heat to low and cook for 5 minutes.

Remove the skillet from the heat.

Let it stand for 5 minutes.

Fluff the mixture with a fork before serving.