Brown ground beef and add in garlic, salt, sugar, and tomato sauce.
Simmer on low for 15 minutes.
Meanwhile cook and drain egg noodles according to package directions.
Combine sour cream and cream cheese together in a small bowl until it resembles cottage cheese.
In a 9x13 inch baking dish layer ½ the noodles, ½ the meat mixture, top with the sour cream mixture, spread out as evenly as possible, add remaining noodles, remaining meat mixture and top with the cheddar cheese.
Bake for 20 minutes or until heated through and cheese is melted.