Welsh Rarebit

1 tablespoon of butter 2 teaspoons of Worcestershire sauce
1/2 cup of ale 1 teaspoon mixed mustard
1 pound grated Cheddar or aged American cheese Salt
2 egg yolks 1/4 cup milk
Paprika  

Place the butter and ale in a chafing dish or double boiler.  When hot, put inthe grated cheese and melt slowly, stiring steadily.  When smooth, add egg yolks mixed with seasonongs and milk and stir for a few moments until thickened.  Serve on the soft side of half-toast with the crust removed.  Garnish with a dash of paprika.  Accompaniments - olives, celery and salted nuts.  Serves 6.