Add garlic and ground beef; cook until browned. Drain excess fat.
Stir in garlic powder, chili powder, salt, tomato paste, and mustard.
Add noodles, chicken stock, and milk; simmer, cover, and cook for 14 minutes until pasta is tender. Remove cover and cook 1-2 minutes if runny. Stir in cheese until melted.
Notes
Use gluten-free noodles and broth for a gluten-free version.