Time: 5 minutes Cooking Time: 1½-2½ hours Ideal slow-cooker size: 4-qt. 12-oz. can beer 1 Tbsp. dry mustard 1 tsp. Worcestershire sauce ½ tsp. salt ⅛ tsp. black, or white, pepper 1 lb. American cheese, cubed 1 lb. sharp cheddar cheese, cubed 1. In slow cooker, combine beer...