mix the cake mix and the sugar. combine the wet ingredients and add to the cake mix mixture. mix for 4 minutes. stir in the blueberries. i add a tsp of flour to dust the blueberries so they do not sink in the cake. put in a well greased bundt pan and bake 350 for 40 45 minutes. let sit 5-10 min before removing. doesn't need frosting. i dusted with powdered sugar and it disappeared, this cake is moist.