Preheat oven to 400 F. Fill a pot with water and bring to a boil. Add shells and cook for 6 minutes and drain. Rinse with cool water. Mix cottage cheese,spinach, 3/4 c mozzarella, Italian seasoning in a medium sized bowl. Spread a thin layer of pasta sauce in 9" x 13" pan. Fill shells with a spoonful of mixture and place in pan. Pour remaining sauce over shells. Top with the rest of the shredded cheese, tomato and foil. Bake 25 min. Enjoy!
You can use a package of frozen chopped spinach instead of fresh - just remember to thaw it before you are ready to put this dish together. If you are in a pinch, thaw the package in a bowl of water to speed up the thawing process.