Wash outside of squash. Poke holes around the squash lengthwise. Microwave on high for 3 minutes to soften. Cool for 10 minutes. Cut in half lengthwise along the holes.
Use a spoon to scrape and remove seeds.
Add water to a glass baking dish, and place squash cut side down in the dish. Cover with plastic wrap.
Cook spaghetti squash on high for 7-10 minutes, until fork tender.
Scrape spaghetti squash to make noodles. Sprinkle with salt, pepper, and parsley if using.
Serve with your favorite pasta sauce, or butter with your favorite spices and seasonings.
Notes
Cook a 3 pound spaghetti squash on high for 11-13 minutes, until fork tender.