Preheat oven to 350°.
Combine first 9 ingredients in a large bowl; stir well. Add noodles; toss gently to coat. Spoon mixture into a 13 x 9-inch baking dish coated with cooking spray. Sprinkle cornflakes over noodle mixture; cover and bake at 350° for 30 minutes. Uncover and bake an additional 10 minutes.