HEAT oil in large nonstick skillet on medium-high heat. Sprinkle steak with garlic powder; cook and stir 5 min. or until steak is cooked through.
ADD water and teriyaki sauce; stir. Bring to boil. Stir in rice, broccoli and peppers. Return to boil. Reduce heat to low; cover. Simmer 5 min. Remove from heat.
LET stand 5 min. Fluff with fork.