Preheat oven to 400°.
In a mixing bowl, combine olive oil, maple syrup and cubed butternut squash.
Sprinkle with salt and pepper to taste.
Bake on parchment-lined, foil covered baking sheet for 20 minutes.
Remove foil and bake 20 more minutes 'til squash is tender and beginning to brown on the bottom.
Remove from oven and cool to room temperature.