Cheese Ball

2 (8 ounce) packages cream cheese
12-16 ounces sharp cheddar cheese, grated
1 (1 ounce) package ranch dressing mix
chopped pecans
4 pecan halves
                   
Mix together cream cheese, grated cheddar, and dressing mix.
Form into one large ball or two smaller balls. Roll in chopped
pecans to cover. Decorate the top with pecan halves. Refrigerate
at least a couple of hours or overnight before serving.