There are so many variations that will work with this deliciousness. Give it a go. I know you will love it.
1 cup grated Parmesan cheese, divided
1 1/4 cups grated mozzarella cheese
15 oz. carton ricotta cheese
10 oz. package fresh spinach chopped (if you use frozen thaw and drain before using)
Optional ingredient - cooked ground beef
1 1/2 cups chopped tomato
32 oz. tomato sauce (or favorite spaghetti sauce)
1 tsp. dried oregano
1 tsp. dried basil
1/2 tsp. onion powder
1/2 tsp. salt
9 cooked whole wheat lasagna noodles
Combine 3/4 cup parmesan, mozzarella, and ricotta. Add spinach (and ground beef if desired) In another bowl; combine the tomato, sauce, and spices. Spread some cheese mixture and sauce over each cooked noodle, and then roll it up. Place rolled noodles in a baking pan (Place extra sauce in the bottom of the baking pan and cover each noodle roll with a little sauce on top.) Cover with tin foil, bake at 350 degrees for 45 minutes. Uncover, top with remaining parmesan and bake for 10 more minutes.
Original source: My dear friend Amy. Thank you, thank you, thank you