Pre-heat the oven to 400 degrees F. / 204 degrees C.
Cut spaghetti squash in half lengthwise and scoop out seeds with a spoon. Season with a little olive oil, salt, and pepper. Bake until fork tender, about 45 minutes.
While the spaghetti squash bakes make your sauce. In a large deep sauté pan, heat the olive oil. Add the beef and season with a little salt and pepper. Brown the meat and break it into smaller pieces with your spoon until cooked through.
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