Cheesy Green Chile Chicken Cornbread Casserole

Ingredients

• salt and pepper, to taste
• 1 (15 ounce) can green enchilada sauce
• 1 large egg
• 1 (14.75 ounce) can creamed corn
• 1 (8.5 ounce) box cornbread mix
• ½ cup butter, melted
• 1 cup shredded cheddar
• 1 cup sour cream
• 1 teaspoon garlic powder
• 1 teaspoon onion powder
• ½ teaspoon ground cumin
• ½ teaspoon dried oregano
• 3½ cups cooked, shredded chicken
• 2 (4 ounce) cans diced green chiles
• 1 tablespoon chili powder