Preheat oven to 400 degrees.
Line a baking sheet with parchment paper or use a baking stone.
Using a vegetable peeler, remove the skin from the butternut squash. Chop the squash into bite sized pieces.
Wash brussels sprouts. Cut off the ends and then cut them in half.
Place butternut squash and brussels sprouts on the baking sheet. Drizzle with coconut or avocado oil and bake in the oven for 30-45 minutes or until the squash is soft.