Cook your spaghetti squash following the instructions above and set aside
In a sauce pan over medium heat saute your onions, garlic, and peppers until your onions are translucent. You can saute them in the oil of your choice
Once translucent add in your ground beef and saute until your beef is cooked through
Add in all remaining ingredients and stir well, cover and let simmer for 10-20 minutes stirring occasionally
Plate your spaghetti squash and spoon your sauce over the top
Enjoy