01 -
Preheat oven to 190°C. Grease a 23×33 cm baking dish.
02 -
If using raw chicken, cook thoroughly and shred. For homemade cauliflower rice, pulse cauliflower florets in a food processor until fine.
03 -
Heat olive oil in a large skillet over medium heat. Sauté the cauliflower rice for 5 to 7 minutes until tender and most moisture has evaporated.
04 -
If adding spinach, broccoli, or mushrooms, lightly sauté until just tender.
05 -
In a large bowl, blend together shredded chicken, sautéed cauliflower rice, cream cheese (or Greek yogurt), half of the shredded cheese, seasonings, and optional vegetables if using. Mix until fully incorporated.
06 -
Spread the prepared mixture evenly into the greased baking dish. Top with the remaining shredded cheese.
07 -
Bake uncovered for 20 to 25 minutes, or until the cheese is melted and golden, and the casserole is bubbling.