Cake Layers:

6 cups flour

3 cups granulated sugar

2½ cups dark brown sugar

4 Tbsp ground ginger

2 Tbsp cinnamon, 1 tsp cloves

5 tsp baking powder, 2 tsp salt

1 tsp nutmeg (optional), 2 Tbsp orange zest (optional)

1 cup unsalted butter

8 egg whites (or 2 cups carton whites)

3 cups sour cream

1 cup vegetable oil

½ cup molasses

2 tsp vanilla

Frosting:

4 cups butter

2 cups cream cheese

2 Tbsp vanilla, 1 tsp salt

20 cups powdered sugar

⅔ cup heavy cream

1 tsp cinnamon (optional)

Red/brown food coloring (optional)