Step 1

Preheat oven to 350 degrees F.

Step 2

Cook and drain pasta according to directions on the box.

Step 3

In a large bowl, mix together sour cream, diced tomatoes, beans, corn, chicken and 1 cup cheese. Stir in cooked pasta.

Step 4

Spray 9x13 baking dish with non-stick cooking spray. Pour pasta mixture into baking dish.

Step 5

Top with remaining shredded cheese.

Step 6

Bake for 20 minutes or until cheese melted on top.