Preheat your oven to 180° C (350° F), get out a baking sheet and line with foil, folding edges slightly up, about ½ inch.
Cut squash in half lengthwise, scoop out seeds. Place squash cut side down on sheet. Bake for 35-40 minutes or until almost tender.
While the squash is baking, form the sausage into small balls.
Brown the meatballs until almost cooked through. Drain excess fat.
Season applesauce with cinnamon as desired. Add the applesauce to the pan with the meatballs, stir together, cover, and simmer 15 minutes.
Turn squash over to cut side up, season each with salt as desired. Fill each squash with meatballs and applesauce.
Return to oven and bake for 15-20 minutes or until the squash is tender.
Add a slice of apple to each squash, serve and enjoy.