Three Cheese Spinach Roll-Ups
["8 lasagna noodles", "1 red pepper, seeded and chopped", "2 c. shredded Mozzarella", "3/4 c. Ricotta cheese", "1 egg, slightly beaten", "1/4 c. butter", "1/4 c. flour", "1/8 tsp. pepper", "1/2 tsp. salt", "1 c. light cream or half and half", "3 Tbsp. butter", "1/2 c. onion, chopped", "2 (10 oz.) pkg. frozen spinach, finely chopped, cooked, squeezed and sauteed in butter", "1 c. milk"]
["Preheat oven to 375\u00b0.", "Cook noodles according to package directions.", "Cool in a bowl of cold water; set aside.", "Saute onion and red pepper with 3 tablespoons of butter until tender, about 5 minutes.", "Combine spinach, onion, red pepper, 1 1/2 cups Mozzarella, Ricotta, 1/2 cup Parmesan and egg; set aside."]
["noodles", "red pepper", "Mozzarella", "Ricotta cheese", "egg", "butter", "flour", "pepper", "salt", "light cream", "butter", "onion", "frozen spinach", "milk"]