Welsh Rabbit (Rarebit)- Adapted from Saveur

This is a quick easy meal which can be meat free although we used some leftover ham in it.

In a sauce pan mix, 3 1/2 C grated cheddar cheese (don't skimp here, use a good, sharp, aged cheddar), 1/4C beer or ale, 2T butter, 2t Worcestershire sauce, 1/2t kosher salt, 1/2t dry mustard.  Heat the mixture over medium until a smooth sauce is formed.  We served it on toasted sourdough bread with thinly sliced onion, tomato and the afore mentioned ham.  A green salad would go nicely too.  Serve beer or a dry white wine with this dish.