01 -
Heat olive oil in a large skillet or Dutch oven over medium-high heat. Add the chopped onion and cook for 5 minutes, stirring frequently, until soft and translucent.
02 -
Add the ground beef to the pan. Break it apart with a spoon and cook for 3 minutes until the beef is browned and no longer pink.
03 -
Sprinkle the cornstarch over the meat mixture. Add dried oregano, garlic powder, salt, black pepper, and chili powder. Stir thoroughly to combine and evenly coat the beef and onion.
04 -
Add the uncooked macaroni or pasta shells, chicken or beef broth, and milk to the skillet. Stir to ensure pasta is fully submerged in the liquid.
05 -
Bring the mixture to a simmer. Cook uncovered for 10 to 12 minutes, stirring occasionally, until pasta is al dente and most of the liquid has been absorbed.
06 -
Taste and adjust salt or pepper as desired. Stir in half of the shredded cheddar cheese and cook for 1 minute, allowing cheese to melt into the pasta.
07 -
Top the skillet with remaining cheddar cheese, cover, and cook on low for 1 minute until cheese has melted. Remove from heat, garnish with chopped parsley, and serve hot.