Preheat oven 375. Cut squash in rings, scoop out seeds. Arrange foil lined cooking sheet with cooking spray. Bake for 45 minute Cool slightly and scoop out strands.
Heat wine/broth in skillet add pepper & garlic, cook 30 sec. Add shrimp and sauté until done. Add spinach until it wilts. Add squash to pan and sprinkle with salt. Serve.