01 -
In a large pot over medium heat, add ground beef, cumin, dried minced onion, and garlic powder. Crumble and stir until fully cooked. Drain off excess fat.
02 -
Stir in tomato paste, diced tomatoes with green chilies, beef broth, and 240 ml of whole milk. Combine thoroughly and bring to a gentle boil over medium-high heat.
03 -
Add shell pasta to the pot. Simmer on medium-low heat until pasta is tender, following timing guidance on the pasta package.
04 -
Reduce heat to low. Stir in Monterey Jack, mild cheddar, and the reserved 120 ml whole milk. Mix gently until cheese is fully melted and the pasta is creamy and well combined.
05 -
Serve immediately while hot.