Preheat oven to 375 degrees. Brown beef until browned. Stir in chili powder, cumin and salt and cook for 1 minute. Stir in corn and tomato sauce. Mix ricotta, eggs, and oregano and set aside.
Arrange 9 tortillas on bottom and sides of a greased, shallow 12-inch round or 13x8-inch baking dish. Spoon 2/3 beef mixture into dish.
Top with ricotta mixture, remaining tortillas, then cheese and remainder of beef. Bake for 40 minutes, until hot and cheese melts. Sprinkle with green onion. |
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