01 -
Heat oven to 400°F. Cut squash in half long ways, scoop out seeds. Poke sides with fork but don't break the skin.
02 -
Mix maple syrup, 1 Tbsp olive oil, garlic, and a pinch each of salt and pepper in a bowl.
03 -
Brush the cut sides of squash with this mix. Put them cut-side up on a baking sheet.
04 -
Bake about 35 minutes until a fork goes in easily but squash still holds shape.
05 -
While that's baking, heat remaining oil in a pan. Cook onion and celery with seasonings until soft (about 8 minutes).
06 -
Add sausage, break it up as it cooks until it's done.
07 -
Add spinach and cook until it wilts. Stir in half the cheese until melted.
08 -
Fill each squash half with the meat mix. Top with leftover cheese.
09 -
Bake 15-20 more minutes until cheese melts and browns a bit.
10 -
Cut each half in two and serve hot.