Combine first 7 ingredients in a medium bowl; stir well. Combine egg substitute and milk; add to corn mixture, stirring to combine.
Pour mixture into a 1-quart baking dish coated with cooking spray. Place dish in a 13- x 9- x 2-inch pan; pour hot water into pan to a depth of 1 inch. Bake, uncovered, at 350° for 1 hour or until a knife inserted in center comes out clean.