1/2 cup vegetable oil
1 cup white sugar
3 tablespoons molasses
1 egg
2 cups all-purpose flour
1 teaspoon ground cinnamon
1/2 teaspoon ground nutmeg
1/2 teaspoon ground ginger
1 teaspoon baking soda
1/2 teaspoon salt
1 cup fresh or frozen blueberries
1 cup buttermilk
2 tablespoons sugar