Cook macaroni and set aside

In a saucepan, melt butter over medium heat.

Add flour to make a paste and slowly pour in the beer

Cook and slowly add the milk and cook until mixture is smooth and thick

Stir in the cheese and stir until melted.

Add buffalo sauce and season to taste.

Fold in cooked noodles and place in a casserole dish

Serve immediately or top casserole with panko crumbs and bake in a preheated 350 oven for 15 minutes, or until golden on top.