This Ground Turkey Stuffed Acorn Squash is such an easy and delicious weeknight dinner idea! The stuffing comes together in a skillet while the acorn squash roasts in the oven! The acorn squash serves as an edible bowl for a delicious turkey mixture made with celery, apples, dried cranberries, fresh thyme and rosemary. Click to make this healthy stuffed acorn squash and follow for nutritious recipes from a dietitian including healthy dinner recipes! Gluten-free stuffed acorn squash.