My wife fixed this the other night and it was delicious.  Not sure on the calories or carbs, but both should be on the lower side for a meal.  The spaghetti squash has about 35 calories per cup and 10 carbs.

 http://peasandcrayons.com/2016/09/cheesy-garlic-parmesan-spinach-spaghetti-squash.html

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