Heat margarine in 2-quart saucepan over low heat until melted. Stir in flour and 1/2 teaspoon salt. Cook, stirring constantly, until smooth and bubbly. Remove from heat; stir in milk. Heat to boiling, stirring constantly. Boil and stir 1 minute. Stir in Swiss cheese, mozzarella cheese and 1/2 cup Parmesan cheese. Cook and stir over low heat until cheeses are melted. Mix remaining ingredients except noodles and remaining Parmesan cheese.

Spread 1/4 of the cheese sauce mixture in ungreased rectangular baking dish, 13 X 9 X 2 inches; top with 4 uncooked noodles. Spread 1 cup of the cottage cheese mixture over noodles; spread with 1/4 of the cheese sauce mixture. Repeat with 4 noodles, the remaining cottage cheese mixture, 1/4 of the cheese sauce mixture, the remaining noodles and the remaining cheese sauce mixture. Sprinkle with 1/2 cup Parmesan cheese. Bake uncovered in 350-degree oven until noodles are done, 35 to 40 minutes. Let stand 10 minutes before cutting.