In a skillet, brown ground beef. Drain. Add corn, tomato sauce, picante sauce, chili powder and cumin; bring to a boil. Reduce heat; cover and simmer for 5 minutes. Place half of the tortillas in the bottom and up the sides of a greased 13x9-in. baking pan. Spoon meat mixture over tortillas.
Combine the cottage cheese, egg substitute, Parmesan cheese, oregano and garlic powder; spread over meat mixture. Top with remaining tortillas. Cover with foil. Bake at 375° for 30 minutes. Sprinkle with cheese; return to the oven for 10 minutes or until cheese is melted.
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