Preheat 400°F, put rack in the middle position. Use a large cookie sheet, covered in foil, with 1/4” of water in pan. Bake for 60min to 75min until squash is very soft.
Split the squashes length-wise, and scoop out the junk. Score the insides of each half several times. Arrange the squash, cut side up on cookie sheet.
Add ½ tbsp of butter to each half. Add ½ tbsp of brown sugar to each half. Dribble 1 tsp of maple syrup over each half.
When done cooking, spoon the melted butter/sugar mixture all over the squash flesh.