Created on October 22nd, 2012
Preheat the oven to 350°F.
Spray a 9x13 baking dish with cooking spray.
Cook pasta for about 2-3 minutes less than the package instructions, drain, and set aside.
In a saucepan, melt 1/2 cup butter with salt and pepper. Once melted, add flour and stir until smooth.
Let cook for 1 minute. Add milk and chicken broth, bring to a boil while whisking. Add cheeses and stir until melted.
Pour over cooked pasta and add to greased dish.
Combine panko, parsley, and melted butter in a small bowl.
Sprinkle macaroni with panko topping, and bake uncovered for 30 minutes.