1Cook the pasta according to the package instructions until al dente. Drain and set aside.
In a large pan, heat the olive oil over medium heat. Add the chopped onions and minced garlic, and sauté until the onions are translucent.
Add the beef to the pan and cook until browned.
Stir in the tomato paste and cook for another 2 minutes.
Pour in the lactose-free milk and bring to a simmer. Let it cook for about 5 minutes, stirring occasionally.
Add the cooked pasta to the pan and mix well to combine.
Stir in the cheese until melted and creamy.
Season with salt and pepper to taste.
Serve hot and enjoy your creamy beef pasta.