In a large bowl, combine sugar, cream cheese and flour, mixing
at medium speed of electric mixer, until well blended. Add eggs,
chocolate and Irish Mist, mix well. Add one cup Cool Whip; pour
into pie crust.
Bake at 375 degrees F for 30 to 35 minutes or
until knife inserted in the center comes out clean.
Combine remaining Irish Mist, whipped topping and a few drops
green food coloring. Mix well. Spread over pie.