To prepare a blueberry sour cream pancakes breakfasts recipe, you'll need: 1 cup blueberries 2 tablespoons granulated sugar 1 tablespoon vanilla extract 1 teaspoon kosher salt 1/2 teaspoon baking powder 1/2 cup melted butter 1 tbsp. brown sugar 1/4 cup buttermilk 1 egg 2 teaspoons vanilla. Pour the pancake batter into the greased griddle and cook until bubbles form on the bottom, about 4 minutes. Remove from the heat and allow to cool for 5 minutes before serving.