Preheat the oven to 375°F. Grease a baking dish large enough to hold the squash comfortably. Halve lengthwise and remove the seeds and strings from:
Arrange cut side up in the baking dish and brush with:
Cover with a lid or foil and bake until almost tender, 30 to 40 minutes. Remove from the oven and let the squash cool slightly. Keep the oven on.
Prepare:
When the squash has cooled, scoop out most of the flesh, leaving ⅜-inch-thick shells. Lightly mix the squash pulp into the stuffing mixture, breaking up the squash as little as possible.
Pile the stuffing into the squash halves. Dot each half with:
Bake, uncovered, until piping hot and browned and crusty on top, 20 to 25 minutes. Let cool for several minutes before serving.