How can I prepare a delicious dish using a whole butternut squash through cooking?

To prepare a delicious dish using a whole butternut squash, you can start by peeling and cutting the squash into cubes. Then, roast the cubes in the oven with olive oil, salt, and pepper until they are tender. You can also puree the roasted squash to make a creamy soup or MASH it to use as a side dish. Experiment with adding herbs, spices, or other ingredients to enhance the flavor of the dish.