Crumble beef in 9-inch square microwave-safe baking dish; sprinkle with garlic. Cover; microwave on High 3 minutes. Meanwhile, cut zucchini in half lengthwise, then crosswise into 1/4-inch slices. Add zucchini, onion, tomatoes, rice, soy sauce, basil and 1/2 cup water to ground beef, stirring to combine. Cover and microwave on High 27 minutes, or until rice is tender; stir frequently.