Heat oven 375F. Lightly grease 9-inch round cake pan.
In small bowl, toss raisins with whiskey; set aside.
In medium bowl, whisk flour, sugar, baking powder, salt and baking soda.
Grate butter on the large holes of a box grater into flour mixture; mix with a fork until butter is fully coated with dry ingredients and looks crumbly. Stir in caraway seeds.
In small bowl, whisk eggs until well blended; reserve 1 tablespoon in another small bowl.
Whisk buttermilk into remaining egg; stir into flour mixture along with raisins and whiskey. Stir mixture just until dry ingredients are all moistened.
Using an ice cream scoop, scoop batter into prepared pan with 9 scoops around edge of the pan and 3 scoops in the center.
Drizzle reserved egg over the top and spread with the back of a spoon.
Bake 20 to 25 minutes or until wooden pick inserted in center comes out clean.
Run a knife around the edge of the pan. Invert onto a plate and then invert on to a cooling rack.