How can I bake a delicious dish using butternut squash as the main ingredient?

To bake a delicious dish using butternut squash as the main ingredient, you can start by cutting the squash into cubes, tossing them with olive oil, salt, and pepper, and roasting them in the oven until they are tender. You can then use the roasted squash in a variety of dishes such as soups, salads, or pasta. Adding herbs and spices like thyme, sage, or cinnamon can enhance the flavor of the dish.