Cook elbow macaroni according to package directions and drain.
In a large saucepan melt the butter and add the flour. Whisk it until it becomes a thick paste or roux. Add the beer and the whipping cream and mix well. Bring to a boil then add the cream cheese, stirring constantly until it melts. Add both mozzarella and cheddar cheeses and allow it to melt.
Add pasta to the cheese mixture and stir until it is all well covered.
Recipe by Down Home Inspiration at https://www.downhomeinspiration.com/beer-macaroni-and-cheese/