Lasagna Spinach Roll-Ups

INGREDIENTS

• 1 (16 ounce) package lasagna noodles
• 2 tablespoons butter
• 2/3 cup chopped red bell pepper
• 2/3 cup chopped fresh mushrooms
• 1/2 cup chopped onion
• 2 cups small curd cottage cheese
• 2 (10 ounce) packages frozen chopped spinach
• 2 eggs, lightly beaten
• 6 tablespoons grated Parmesan cheese, divided
• 1 teaspoon black pepper
•  
• 2 (15 ounce) cans tomato sauce
• 2 teaspoons dried marjoram
• 1 teaspoon white sugar
• 1/2 teaspoon garlic powder
• 2/3 cup shredded mozzarella cheese