01 -
Preheat oven to 190°C. Grease a 23x33 cm casserole dish.
02 -
In a large skillet over medium heat, sauté onion and red bell pepper in a drizzle of olive oil for 4 to 5 minutes until softened. Add garlic and cook for an additional minute until fragrant.
03 -
Add chopped spinach to the skillet and cook just until wilted. Remove from heat.
04 -
In a large mixing bowl, combine cooked chicken, uncooked rice, sautéed vegetables, crumbled feta, shredded mozzarella, oregano, thyme, salt, and black pepper.
05 -
In a separate bowl, whisk together whole milk, sour cream, and chicken broth. Pour over the chicken and rice mixture and stir until thoroughly combined.
06 -
Transfer the mixture to the prepared casserole dish and level the surface.
07 -
If desired, combine breadcrumbs with olive oil and sprinkle evenly over the surface.
08 -
Cover with aluminium foil and bake for 30 minutes. Remove foil and continue baking for 15 minutes, or until bubbling and the top is golden brown.
09 -
Allow to rest for 5 to 10 minutes before serving.