01 -
Boil the pasta shells according to package instructions until al dente, drain, and set aside.
02 -
In a large skillet, heat olive oil over medium heat. Add ground beef, diced onion, and minced garlic. Cook until beef is browned and onion is softened, breaking the beef into small pieces as it cooks.
03 -
Stir in tomato paste, beef stock, and tomato sauce. Simmer for 6-8 minutes, stirring occasionally.
04 -
Reduce heat to low and stir in heavy cream and shredded cheddar cheese until the sauce is smooth and creamy.
05 -
Add the cooked pasta shells to the skillet and mix well. Allow everything to thicken for about 5-10 minutes over low heat.
06 -
Serve warm and enjoy your creamy beef and shells.