Preheat your oven to 350°F (175°C).

In a large pot, bring salted water to a boil and cook the pasta shells according to the package instructions until al dente. Drain and set aside.

In a large skillet over medium heat, add cooking oil. Once hot, add the ground beef and cook until browned, about 5-7 minutes, breaking it apart as it cooks.

Sprinkle the taco seasoning over the browned beef and stir in salsa, cooking for an additional 2-3 minutes.

Lower the heat, then add the cream cheese to the skillet and stir until fully melted and combined with the meat mixture.

Take a shell in one hand and generously fill it with the meat mixture. Place the stuffed shells seam-side down in a greased baking dish.

Once all shells are filled, sprinkle shredded cheese evenly over the top.

Bake in the oven for 20-25 minutes, or until cheese is bubbly and lightly golden.