Step 1

Preheat oven to 350 degrees. Spray 9×13 baking dish with nonstick cooking spray

Step 2

Add water and a little salt to a large pot. Bring salted water to a boil. Add dried pasta to boiling water and cook until tender, stirring occasionally.

Step 3

Once pasta is cooked al dente, drain and set aside.

Step 4

Melt butter in large saucepan over medium heat. Add flour and whisk together. Slowly stir in milk. Bring to boil and stir constantly for 1-2 minutes.

Step 5

Add cheese and buffalo sauce to saucepan and stir until cheese is melted. Season cheese sauce with salt and pepper.

Step 6

Stir in cooked pasta and chicken to cheese sauce. Mix well to combine

Step 7

Pour pasta mixture into prepared baking dish. Sprinkle with blue cheese crumbles if desired.

Step 8

In a small bowl, melt butter in microwave. Stir in bread crumbs until coated evenly.

Step 9

Sprinkle bread crumbs over pasta. Bake, uncovered, until heated through, 20-25  minutes.