01 -
Heat a large pot over medium-high heat. Add the ground beef and onion and cook, breaking up the meat, until the beef is browned and the onion is soft, 6 to 8 minutes. Drain excess fat if needed.
02 -
Stir in the tomato paste, garlic powder, chili powder, paprika, salt, and pepper. Cook for about 1 minute so the paste caramelizes slightly and the spices open up.
03 -
Pour in the beef broth and bring to a boil. Stir in the elbow macaroni, reduce the heat to a simmer, and cook uncovered, stirring occasionally, until the pasta is tender and most of the liquid is absorbed, 9 to 11 minutes.
04 -
Remove the pot from the heat. Stir in the shredded cheddar until fully melted and the sauce is creamy, 30 to 60 seconds. Let stand 2 minutes to thicken before serving.