Heat oven to 400 degrees. Mix cottage cheese, spinach, 1/2 cup mozzarella cheese, Parmesan cheese and seasoning; spoon into shells. Pour half of sauce into 13” x 9” baking dish. Add filled shells; top with remaining sauce. Cover. Bake 25 minutes or until heated through. Top with remaining mozzarella; bake, uncovered, 2 minutes or until melted.