In large pot, cook pasta according to package instructions. Drain and set aside.
Spread 1/2 – 1 cup spaghetti sauce into base of each baking dish.
Cook frozen spinach as directed on package. Drain excess liquid after cooking.
In large skillet, brown the ground beef with chopped onion. Drain, rinse and return to skillet. Add the rest of the spaghetti sauce, garlic powder, salt and pepper. Stir in the spinach.
Here is where I divided the meat into 2 parts. One part dairy-free. The other part with cheese.
To each meat, stir in 1 egg.
To meat sauce with dairy, stir in 1 cup shredded sharp cheddar cheese.
Spoon meat into pasta shells and place into baking dishes. (If making dairy free and ones with dairy, use separate baking dishes!)
Sprinkle cheese over the ones that contain cheese in the meat sauce.
Bake at 350 for 20-30 minutes.
Prepare veggie as side dish. Tonight for us, it was steamed broccoli! Steam broccoli in stove top steamer, or in microwaveable dish with water and covered in plastic wrap for 4-5 minutes.
Serve Italian Stuffed Shells with Steamed Broccoli. Freeze the rest for later!