Good-Cooking - Boot Kickin' Tortilla Casserole

Ingredients

• 1 tri-tip, cooked in crockpot
• 1 large onion
• Garlic, however much desired
• Chili powder, however much desired
• 1 can tomato sauce
• 1 can El Pato Sauce
• 1 can diced green chiles
• 1 dozen corn tortillas
• 1 cup small curd cottage cheese
• 1 egg
• 1/2 pound jack cheese
• 1 cup marble cheese
• Sour cream, for garnish
• Slivered green onions, for garnish
• Chopped tomatoes, for garnish