Cheeseburger Lasagna

Spray a 9“x13” glass baking dish and a large non-stick skillet with a non-stick spray (Pam) In sprayed skillet, cook ground beef and onion over medium heat until done, stirring frequently. Add tomato sauce, water, ketchup, and mustard. Mix well, simmer 5 minutes, stirring occasionally. Meanwhile, beat egg in a medium bowl, add ricotta cheese and 3 cups of the cheese blend. Spread 1 cup of beef mixture in bottom of prepared baking dish. Arrange 4 uncooked lasagna noodles over beef sauce. Spoon and spread 1/2 of ricotta cheese mixture over noodles. Top with 1-1/2 cups of beef mixture. Repeat layers above once. Top with remaining noodles beef mixture and remaining cheese. Cover with foil and refrigerate 8 hours or overnight. When ready to bake preheat oven to 350°. Bake covered 45 minutes. Uncover and bake an additional 25-35 minutes. Remove from oven and cover with foil, let stand 5-10 minutes. Just before serving top with lettuce, tomatoes and pickle slices. If desired serve with additional ketchup