fiesta mexican rice casserole

Ingredients

• 3 cups cooked rice, leftover is fine
• 1 tablespoon oil
• 1/2 cup chopped onion
• 1 - small can chopped green chilies
• 1 - 10 ounce can enchilada sauce, i use old el paso
• 1 cup sour cream
• - salt and pepper
• 2 teaspoons chili powder
• 1 teaspoon ground cumin
• 1/2 teaspoon ground coriander
• 1 teaspoon dried oregano leaves
• 1 can corn kernels, drained
• 1 cup shredded cheese - cheddar, mexican blend, monterrey jack, your choice!
• OPTIONAL GARNISH
• - shredded lettuce, diced avocado, fresh lime juice, chopped tomatoes