Welsh Rarebit

Directions

1. 1
   Turn oven on to broil - leave the rack in the middle of the oven. When hot, place a couple thick slices of toast directly on the rack, to toast for a minute or two on each side. Be careful not to burn.
2. 2
   In a saucepan, heat butter on medium heat to melt. Once melted add in the flour, and whisk together - removing any lumps. Cook for a minute, and then add the beer, while continually whisking. Add in the cheese and mustard, and combine together to melt the cheese.
3. 3
   Taste, and season with coarse salt and pepper, to your preference.
4. 4
   Place toasted bread onto a oven-safe pan, and gently pour over the cheese sauce. Smooth it all the way to the edges - you don't want any bread uncovered. Place in the oven and broil until bubbly and brown, approximately 5 minutes, but you'll have to keep an eye on it through the oven door - some oven are hotter than other, and you don't want it to blacken too much.
5. 5
   Serve with a generous douse of Worcestershire sauce, and the left-over beer.