Preheat the oven to 350 degrees F. Oil a 6-inch by 3-inch round cake pan
In a large bowl, combine the flour, sugar, cocoa powder
, baking soda, salt, fennel, and cardamom
and whisk to combine.
In another bowl, whisk
together the water, vegetable oil
, and vinegar and then add to the dry ingredients. Mix well and pour the batter
into the prepared cake pan. Bake for 1 hour. The cake is done when a toothpick comes out clean when inserted into the center of the cake. Cool on a rack and serve.