PREPARATION:
- Preheat oven to 400°F. Spray 12X8-inch baking dish with nonstick cooking spray.
- Stir together corn muffin mix, milk, egg substitute and oil. Spread in bottom of prepared dish.
- Cook ground beef and onion in large skillet 6 to 8 minutes over medium-high heat, sitrring to break up meat. Drain fat. Stir in corn.
- Mix together tomatoes and cornstarch, breaking up any large pieces of tomato. Stir into beef mixture in skillet. Bring to a boil, stirring frequently.
- Spoon beef mixture over corn muffin mixture in baking dish. Cover with foil. Bake 15 minutes. Remove foil; bake 10 minutes more. Sprinkle with cheese; bake 2 to 3 minutes or until cheese melts. Remove from oven; let stand 5 minutes. Cut into squares.
