Pudding: In a large mixing bowl, whisk together all ingredients except bread.
Place bread in buttered baking dish.
Bake in preheated 375 degrees F oven for I hour.
Remove cover; bake for 20 minutes longer or until center is set and top is golden.
Remove from oven. Cool; cut into 3-inch squares and top with Whiskey Sauce.
Whiskey Sauce: In small saucepan, melt butter. Add the confectioners' sugar and half-and-half whisking until smooth for 2 to 3 minutes.
Remove from heat and whisk in the whiskey and vanilla extract.