Preheat oven to 400 degrees. Line a baking sheet with foil for easy cleanup.
Cut squash in half and seed them. Discard the seeds. If you are using a large squash, cut the halves into quarters.
Poke a few holes in the squash with a fork
Place the squash skin side down in the baking sheet.
In a measuring cup or small bowl, whisk maple syrup, butter, nutmeg until combined. Grate a finger of fresh, peeled ginger into the mixture and mix again.
Brush the top of all the squash the maple ginger mixture. Place the sheet pan in the oven for 45 minutes or until the squash is fork tender and golden in places.