Gingerbread Layer Cake Ingredients Gingerbread Cake: 2 1/2 cups all-purpose flour 1 tsp ground cinnamon 1 tsp ground ginger 1/2 tsp ground nutmeg 1 tsp espresso powder 1 tsp baking soda 3/4 tsp kosher salt 3/4 cup unsalted butter, room temperature 1/2 cup granulated sugar 1/2 cup light brown sugar 2 large eggs, room