Blueberry Pancakes

1 cup buttermilk
1 egg
1 tbsp. sugar
1 cup sifted flour
1 tsp. baking soda
1/2 tsp. salt
2 tbsp. melted butter
1/2 cup fresh blueberries
dash cinnamon (optional)
Mix ingredients, except blueberries, with electric 
mixer until smooth. Stir in blueberries. Pour 1/4 
cup batter onto heated griddle. Lightly brown on 
both sides. Makes about 8 pancakes.