Easy Chicken Enchilada Casserole

• 1 red bell pepper chopped
• 1 yellow bell pepper chopped
• 1 onion finely chopped
• 4 garlic cloves crushed
• 1 tbsp taco/enchilada seasoning
• 2 tsp oregano
• 1 tsp chilli flakes
• 1 tsp salt
• 4 cups cooked rice
• 1 rotisserie chicken shredded
• 2 cups enchilada sauce
• 2 cups corn
• 2 tbsp taco/enchilada seasoning
• 2 cups shredded/grated cheese
• 1 can black beans drained

To serve

• sour cream
• avocado
• Cilantro/coriander
• red chillies chopped
• Lime wedges