Step 1
Place raisins in a small bowl; pour in whiskey and allow to soak overnight.
Step 2
The next day drain raisins and reserve the leftover whiskey.
Step 3
Preheat oven to 350 degrees F (175 degrees C).
Step 4
Grease a 2-quart casserole dish.
Step 5
Whisk together flour sugar baking powder salt and baking soda in a large bowl.
Step 6
Stir drained raisins orange peel and caraway seeds into dry ingredients.
Step 7
Beat in buttermilk and 1/4 cup melted butter to make a thick batter.
Step 8
Transfer batter to prepared casserole dish.
Step 9
Bake in the preheated oven until top is golden brown and a toothpick inserted into the center comes out clean about 1 hour and 10 minutes.
Step 9
Beat 1/2 cup butter in a bowl until fluffy; beat in reserved whiskey 1 teaspoon at a time to taste. Serve with soda bread.