When you need a seriously satisfying dinnersomething rich, meaty and cheesybut dont want to be weighed down, turn to this recipe. Baking your fajita fixings in a spaghetti squash allows the flavors to shine through, so youll be enjoying the beef, onions, peppers and seasonings that make this classic dish. After baking, top your stuffed squash with chopped tomato and avocado, just like you would your fajitas. The combination of hearty fajita fillings and fresh toppings makes this meal so appealing that even veggie skeptics will clean their plates.