1 lg. jar spaghetti sauce
16 oz. cottage cheese
8 oz. plain yogurt
1/2 lb. lasagne noodles, cooked
1/2 c. Parmesan cheese
1 1/2 lbs. hamburg, browned and drained
8 oz. Mozzarella cheese

Mix cottage cheese and yogurt. Grease 9 x 13 inch pan. Spread 1 cup spaghetti sauce in bottom of pan. Layer 1/3 each of noodles, hamburg, and cottage cheese mixtures. Sprinkle some Parmesan and Mozzarella cheese on top - repeat layers. Bake for 1 1/4 hours at 350 degrees. Let stand 10 minutes before serving.