01 -
In a large skillet over medium-high heat, cook the ground beef, minced onion, and garlic until the meat is browned, about 6 to 8 minutes.
02 -
Stir in the hot water, milk, cornstarch slurry, salt, tomato paste, Worcestershire sauce, mustard, and macaroni.
03 -
Bring the mixture to a boil, then reduce the heat to a simmer. Cover and cook for 10 to 12 minutes, stirring every few minutes to prevent the pasta from sticking.
04 -
Uncover the skillet and stir in the shredded cheddar cheese. Continue cooking for 1 to 3 minutes, or until the sauce reaches your desired consistency.