Beer-Cheese Fondue Recipe

Have cheese at room temperature. In a mixing bowl, combine cheeses with cornstarch and dry mustard; toss to coat. Add Worcestershire sauce; mix well.
In saucepan heat beer just until warm. Gradually add cheese mixture, stirring constantly over medium-low heat till the cheese has melted.
Quickly transfer cheese mixture into fondue pot; place over a fondue burner. Spear a bread cube with a fondue fork. Dip in cheese mixture.