Preheat oven to 350 degrees F (175 degrees C).
Bring a large pot of water to a boil. Add lasagna pasta and cook for 8 to 10 minutes or until al dente; drain and pat dry.
In a large skillet saute in butter the red bell pepper, mushrooms and onion until tender. In a bowl combine the sauteed vegetable mixture, cottage cheese, spinach, eggs, 4 tablespoons of the Parmesan cheese and pepper; mix well.
In a large skillet, heat tomato sauce, marjoram, sugar and garlic powder for 5 minutes.
Spread 1/3 cup filling on each noodle. Roll up and place in greased 9x13 baking dish. Pour tomato sauce mixture over lasagna rolls. Sprinkle with mozzarella cheese and remaining Parmesan cheese.
Cover and bake in a preheated oven for 40 minutes.