Chocolate Blueberry Cake

from "FatFree Vegan Kitchen" - http://blog.fatfreevegan.com/2010/07/chocolate-blueberry-cake.html

• Ready In: 45 mins
• Serves: 8
• Yields: 1 9-inch cake

Ingredients

• 1 1⁄4 cups whole wheat flour (white whole wheat preferred)
• 6  tablespoons  unsweetened cocoa powder
• 1  teaspoon baking powder
• 1⁄2 teaspoon baking soda
• 1  teaspoon ground flax seeds
• 1⁄4 teaspoon salt
• 3⁄4 cup water
• 1⁄2 cup blueberries
• 1  teaspoon  balsamic vinegar
• 1⁄2 cup  date syrup or 1⁄2 cup maple syrup (or other liquid sweetener) or 1  cup sugar
• 1  cup blueberries (for serving)
•  additional  syrup or   agave nectar

Directions

1. Preheat oven to 350°F
2. In a medium bowl, mix flour, cocoa powder, baking powder, baking soda, ground flax, and salt.
3. In blender, combine water, 1/2 cup blueberries, and balsamic vinegar and blend until smooth.
4. Make a well in the dry ingredients. Add the syrup and the blueberry mixture. Stir until completely mixed.
5. Pour into an oiled 9-inch round cake pan. Bake 30 minutes or until a toothpick inserted in center comes out clean. Cool completely before inverting onto serving platter.
6. Serve with blueberries on top, drizzled with additional syrup or agave.