spaghetti sauce mix and seasonings; blend thoroughly.~ 3. Bring to a boil; reduce heat and simmer, uncovered, 25 minutes. Set aside.~ 4. Boil the tomato mixture in the bottom of a 12x8x2-inch baking dish; layer with a third of the lasagne noodles and a third each mozzarella, ricotta and tomato sauce.~ 5. Repeat layers 2 times, ending with tomato sauce; sprinkle with Parmesan cheese.~ 6. Bake, uncovered, in preheated 350'F. oven 30 minutes; let stand 10 minutes before cutting in squares.~