Cook and drain beef. Add spaghetti sauce and, simmer about 10 minutes.
Mix together cottage cheese, ½ of the mixed shredded cheese, eggs, salt and pepper.
Pour about a cup of sauce of bottom of a 13x9 inch baking dish. Arrange 3 UNCOOKED lasagna noodles lengthwise over sauce and cover with another cup of sauce. Spread ½ cheese filling over sauce. Repeat with layer of lasagna, sauce and cheese mix. Top with layer of lasagna and remaining sauce, sprinkle with mixed cheese.
Cover with foil. Bake 45 minutes. Remove foil; bake additional 10 minutes or until hot and bubbly. Let stand 10 minutes before cutting.