HEAT oven to 350°F Coat 13 x 9 x 2-inch baking dish with no-stick cooking spray.
HEAT oil in large skillet over medium-high heat. Add onion and garlic. Cook and stir until tender. Add chicken. Cook and stir just until chicken is no longer pink in center. Stir in tomatoes, tomato sauce, ketchup, basil, oregano and salt. Bring to a boil. Reduce heat to low. Simmer 5 minutes, stirring occasionally.
COMBINE broccoli, macaroni, chicken mixture and 1/4 cup cheese in large bowl. Stir well. Spoon into prepared dish. Sprinkle with remaining 1/4 cup cheese.
BAKE 20 minutes. Do not overbake. Remove dish to cooling rack. Serve warm.