Buffalo Chicken Macaroni and Cheese

From the kitchen of SteakNPotatoesKindaGurl

• 3.5 tbsp unsalted butter, divided
• 1/2 lb (8 oz) elbow macaroni
• 1/2 of a small Vidalia onion, finely chopped
• 1 celery stalk, finely chopped
• 2 cups shredded cooked chicken
• 1 clove garlic, minced
• 3/8 cup hot sauce, divided
• 1 tbsp flour
• 1 tsp ground mustard
• 1 and 1/4 cup half and half
• 1/2 lb sharp cheddar, cut into 1-inch cubes
• 4 oz pepper jack cheese, shredded
• 1/3 cup sour cream
• 1/2 cup panko bread crumbs
• 1/4 cup crumbled blue cheese
• 1 tbsp chopped fresh parsley

Preheat the oven to 350 degrees. Spray a 9x13 inch dish with cooking spray.

In a large pot, cook pasta according to directions on package. Drain. Return pasta to the large pot.

Melt 1.5 tbsp butter in a skillet on medium heat. Add the onion and celery and cook for 5 minutes. Stir in the cooked chicken and garlic and cook for 2 minuets. Add 1/4 cup hot sauce and simmer until thickened for about a minute.

Melt 1 tbsp butter in a medium pot on medium heat. Add flour and mustard, stir. Add half and half, and remaining 1/8 cup hot sauce and stir for 2 minutes. Add cheddar and pepper jack cheese, then sour cream and whisk.

In the large pasta pot, add the the chicken mixture and cheese sauce in with the pasta and toss to combine well. Pour into the 9x13 greased baking dish.

Melt remaining 1 tbsp butter in a bowl and microwave until melted. Add panko bread crumbs, blue cheese, and parsley and stir. Pour over the mac and cheese and bake for 30-40 minutes. Let rest for 10 minutes.