I've made these a few times on the fast eddy and whole hog. Not sure why not more often. They are really tasty. Just spaghetti squash cooked until soft, fill with marinara, and some chunks of fresh mozzarella. Throw it back on the pit until sauce is hot and cheese is melted.
Also, use some of that squash for a pot pie. This was my American royal vegetable turn-in in I believe 2014. Im almost positive I put little slivers of grilled sausage in them as well. Not sure why that wasn't in the recipe. Must have added it last minute.
American royal vegetable recipe
¼ cup butter
1 cup chopped onion
2 cloves garlic
1 TBS sage, chopped
1 bunch kale, chopped finely
Salt and pepper
¼ cup flour
3 cups chicken broth
1 ½ cups butternut squash, small dice
1 cups finely chopped roasted chicken
1 sheet frozen puff pastry
1 egg
Preheat grill to 400. Toss squash and onion with olive oil and salt and pepper. Roast until soft and charred, about 10-20 minutes. Melt butter over low heat. Saute garlic and sage until soft. Add kale. Season with salt and pepper, and saute until wilted, about 4 minutes. Whisk in flour. Add broth. Simmer for 10 minutes. Add chicken, squash, and onion. Stir. Cook for 1 minute. Check for seasoning.
Roll puff pastry thinner. Cut out circles to cover ramekins. Ladle filling into ramekins. Top with pastry. Brush with egg and water mixture. Cut slit in top. Bake at 400 for about 20 minutes. Top with chopped parsley.