Before you start digging into any of the recipes, I highly recommend checking out this article on three different ways to cook spaghetti squash:
Now for some great recipes to make your meals a little bit healthier:

Spaghetti Squash with Mushrooms and Parmesan

Chicken Alfredo Spaghetti Squash

Spaghetti Squash Chow Mein

Cheesy Broccoli Spaghetti Squash Casserole

Stuffed Lasagna Spaghetti Squash

Spaghetti Squash Caprese Bake

Chicken Enchilada Stuffed Spaghetti Squash

Spaghetti Squash Shrimp Carbonara