Step 1

Cook the pasta according to package directions, drain and set aside.

Step 2

Heat oven to 350° F (177° C).

Step 3

In a 10-inch skillet over medium-high heat, heat oil 30 seconds. Add ground beef, onions, garlic, Italian seasoning, salt, and pepper. Cook, breaking the ground beef up with a spoon or spatula until the meat is cooked through and no longer pink, about 4 minutes. Drain and transfer ground beef and vegetables to a medium-sized bowl.

Step 4

Stir in the tomato sauce, sour cream, cooked pasta, and 1/2 cup of the shredded cheese.

Step 5

Pour into a baking dish lightly greased with butter or oil. Top with the remaining 2 tablespoons of shredded cheese and bake for 20-25 minutes, until cheese is melted.

Step 6

Remove from oven and serve immediately.