Prepare carrot mixture. Divide into two 10- x 16-inch pans. Bake 15 minutes at 350 degrees Fahrenheit.

Prepare broccoli mixture. Pour over carrots and bake for 15 minutes.

Prepare cauliflower mixture, spread over broccoli mixture.

Sprinkle cornflakes crumbs and bake for additional 45 minutes.

Cut into one-and-half- by three-inch rectangles.