Regular brandy can be used for the ginger-flavored brandy in the cake and frosting; add 1/8 teaspoon ground ginger with the cake's dry ingredients.
If you have only two pans, spread one-third of the batter in each of two prepared pans. Cover and refrigerate remaining batter while first two layers bake. After removing cakes from pans, cool one pan before baking remaining batter. Third layer may need to bake 1 to 2 minutes longer.