01 -
Set the oven to 350°F (175°C) to preheat.
02 -
In a bowl, mix the plain flour, granulated sugar, ground ginger, baking soda, cinnamon, salt, and dark molasses until well combined.
03 -
Stir in vegetable oil and the beaten egg into the dry mixture.
04 -
Gradually mix in hot water until the batter is smooth and uniform.
05 -
Spoon 1-ounce portions of batter onto lined baking sheets, spacing them evenly.
06 -
Bake in the preheated oven for 12 minutes or until cakes are puffed and set.
07 -
Allow the cakes to cool on the baking sheet for 5 minutes, then transfer to a wire rack to cool completely.
08 -
Beat the cream cheese, softened butter, powdered sugar, heavy cream, and vanilla extract together until smooth and airy.
09 -
Spread the filling evenly on the flat side of one ginger cake, then top with another to form a sandwich.
10 -
Refrigerate assembled sandwiches for 30 minutes to allow the filling to firm.