Cook noodles according to package directions, omitting salt and fat; drain.
Cut each bell pepper in half lengthwise, and discard seeds and membranes. Arrange pepper halves in a 9-inch pie plate. Cover with heavy-duty plastic wrap. Microwave at high 5 minutes or until crisp-tender; drain. Return peppers to pie plate.
Combine tofu, hoisin sauce, and soy sauce in a small bowl; set aside. Heat oil in a nonstick skillet over medium-high heat. Add garlic; sauté 15 seconds. Add peas and carrot; sauté 3 minutes or until vegetables are tender. Add tofu mixture; sauté for 1 minute or until thoroughly heated. Stir in noodles. Divide noodle mixture evenly among pepper halves; sprinkle each pepper half with 1 1/2 teaspoons cilantro.