Step 1

Preheat the oven to 350 degrees F, mist a 9x9-inch baking pan with non-stick spray, and line it with parchment.

Step 2

Place the butter in a large mixing bowl and pour the boiling water over it.

Step 3

Allow it to stand for a few minutes, then whisk together until the butter is completely melted.

Step 4

Whisk in the brown sugar, molasses, and egg until combined.

Step 5

Add the flour, ginger, cinnamon, salt, baking powder, and baking powder, stirring together until smooth.

Step 6

Transfer the batter to the prepared pan, and bake the gingerbread for 25 to 35 minutes, or until a toothpick inserted in the center of the cake comes out clean or with a few moist crumbs.