1 lb. ground beef
1/2 c. chopped onion
1/4 c. chopped green pepper
1 (15 1/2 oz.) jar spaghetti sauce
8 oz. spaghetti, hot cooked and drained
1/3 c. grated Parmesan cheese
2 eggs, beaten
2 tsp. butter
1 c. cottage cheese
1/2 c. (2 oz.) shredded Mozzarella cheese

Cook beef, onion and green pepper in large skillet over medium-high heat until meat is brown, stirring to separate meat. Drain fat. Stir in spaghetti sauce; mix well.

Combine spaghetti, parmesan cheese, eggs and butter in large bowl; mix well. Place in bottom of 13x9-inch pan. Spread cottage cheese over top. Pour sauce mixture over cottage cheese. Sprinkle Mozzarella cheese over top. Bake in preheated 350 degree oven until cheese melts, about 20 minutes.