Question: how to cook spaghetti squash allrecipes?
Answer: Preheat an oven to 350 degrees F (175 degrees C). Coat a baking sheet with cooking spray, and place squash halves cut-side down on the sheet. ... 
Once cool enough to handle, shred squash flesh from rind using a fork. Set aside.
Melt butter in a skillet over medium heat. Cook onion and garlic in butter until soft.