Beef Noodle Bake

1-1/2 pounds ground beef 
1 small onion - chopped 
2 cans tomato sauce (8-oz. ea.) 
1 cup sour cream 
3 ounces cream cheese - cubed 
1 teaspoon sugar 
1 teaspoon garlic salt - or as needed 
7 cups cooked wide egg noodles -- drained 
1 cup shredded Cheddar cheese 


Preheat oven to 350° F. and grease a 9 x 13-inch baking dish


In a skillet, cook beef and onion until meat is no longer pink; drain. Remove from heat; stir in tomato sauce, sour cream, cream cheese, sugar and garlic salt; mix until blended. Place half of the noodles in a greased 9x13-inch baking dish; top with half of the beef mixture. Repeat layers. 


Cover and bake at 350 F. for 30-35 minutes or until heated through. Sprinkle with cheese; bake 3-5 minutes longer or until cheese is melted.