Heat oven to 375°F. In 10-inch nonstick skillet, crumble beef; sprinkle with garlic pepper. Cook over medium-high heat 5 to 7 minutes, stirring occasionally, until brown; drain.
In ungreased 11x7-inch (2-quart) glass baking dish, mix beef, rice, broth, 1/4 cup teriyaki sauce and the water. Stir in vegetables. Cover baking dish with foil.
Bake 50 to 55 minutes or until rice is tender. Uncover and stir; sprinkle with chow mein noodles and cashews. Bake uncovered 10 to 15 minutes longer or until noodles and cashews are golden brown.