Combine first 6 ingredients in a medium bowl; make a well in center of mixture. Combine corn, buttermilk, and egg substitute; add to dry ingredients, stirring just until dry ingredients are moistened. Fold in cheese, green onions, and jalapeno pepper.
Coat 2 (4- x 2 1/2- x 1 1/4-inch) loafpans with cooking spray; place in oven for 3 minutes or until hot. Remove from oven; spoon batter into pans. Bake at 425° for 20 minutes or until golden.