Crumble Beef Into A 1-1/2-Qt. Microwave-Safe Dish; Sprinkle With Garlic Powder. Cover And Microwave On High For 2 Minutes; Stir. Heat 1-2 Minutes Longer Or Until No Longer Pink; Drain. Stir In The Remaining Ingredients. Cover And Microwave On High For 20-25 Minutes Or Until Vegetables And Rice Are Tender, Stirring Twice.