1Cook noodles as directed on package; drain and cover to keep warm.
2Meanwhile, in 10-inch skillet, cook ground beef over medium-high heat 5 minutes, stirring frequently; drain. Stir in garlic. Reduce heat to medium; cook 1 to 2 minutes, stirring occasionally, until beef is thoroughly cooked.
3Reduce heat to medium-low. Stir in cheese and milk. Cook 5 to 6 minutes, stirring frequently, until mixture is thoroughly heated. Stir in sour cream, cooked noodles, parsley and poppy seed. Cook 1 to 2 minutes, stirring frequently, until mixture is thoroughly heated.