Blueberry Sourdough Hotcakes

2 cups sourdough starter
1 cup blueberries
2 tablespoons granulated sugar
1 scant teaspoon baking soda

Dust blueberries with sugar. Let stand a few minutes. Fold gently into batter just before adding baking soda. Bake until berries are cooked through. Turn. Serve on hot plates.