Cheese Ball with Walnuts

4 oz. pkg. crumbled blue cheese
4 oz. jar Old English cheese
4 oz. very sharp Cheddar cheese
3 oz. pkg. cream cheese
1/2 tsp. dry mustard
1/2 tsp. onion powder
1/2 tsp. Worcestershire Sauce
1/2 cup chopped walnuts

Have cheeses at room temperature. Put in a medium-sized bowl, add dry mustard, onion powder and Worcestershire sauce, and blend well with mixer.
Form into a ball, roll in walnuts. Wrap in plastic wrap and refrigerate.
Serve with assorted crackers.