1. In skillet heat oil; saute onion until tender. 2. Transfer to ovenproof baking dish. 3. Arrange half the tamales and gravy over onions. 4. Add the two cans of chili. 5. Sprinkle with oregano;top with remaining tamales. 6. Bake at 350 for 30 minutes, or until bubbling hot. 7. Remove from oven; sprinkle with cheese. 8. Bake 15 minutes more or until cheese has melted. ---------------------------------------------------------------------------
Nutrition
Ingredients