<human>:  How can I make a delicious casserole?
<bot>: To make a delicious casserole, you will need to select a few ingredients, such as a protein source like chicken, beef, or tofu; vegetables such as carrots, celery, or onions; a starch such as potatoes, pasta, or rice; and seasonings like herbs, spices, and sauces. Preheat the oven to 375°F/190°C. Grease a casserole dish and spread the ingredients inside. Cover the dish with foil or a lid and bake for 45 minutes or until the proteins and vegetables are done. Enjoy your delicious casserole!