3 tbsp. butter
4 c. chopped fresh mushrooms
1 c. chopped onion
10 oz. pkg. chopped frozen spinach, thawed and squeezed dry
2 eggs, beaten
2 c. shredded Mozzarella cheese
1 c. cottage cheese
1/2 c. grated Parmesan cheese
8 lasagna noodles, cooked and drained
4 c. spaghetti or pizza sauce

Melt butter in large skillet. Saute mushrooms and onion until tender and any liquid has evaporated; cool. Stir in spinach, eggs and cheeses. Add salt and pepper to taste. Spread about 3/4 cup cheese mixture along each noodle to within 1 inch of one end. Roll up from filled end. Carefully cut rolls in half, crosswise. Spread sauce in shallow baking dish. Arrange rolls, curly end up in sauce. Cover and bake at 350 degrees for 45 to 50 minutes.