In a nonreactive saucepan, over medium heat, combine the blueberries and corn syrup. Bring to a boil and cook for a couple of minutes. Remove from the heat and with a hand potato masher, mash the berries. Keep warm.

In a small mixing bowl, sift the flour, sugar, baking powder, baking soda and salt. In a medium mixing bowl, whisk the buttermilk, egg, and butter until fully incorporated. Add the sifted ingredients to the milk mixture and whisk until it is slightly smooth, but still has some lumps. Fold in the lemon zest and allow the batter to sit for a couple of minutes. Lightly grease a griddle over medium heat. Cooking in batches, pour 1/4 cup of the batter onto the hot griddle for each pancake. Cook for about 2 to 3 minutes or until the batter bubbles and is golden brown, flip over and continue to cook until golden brown. Repeat the above process with the remaining batter. Stack the pancakes on each serving plate. Place a pat of butter between each layer. Drizzle the pancakes with the syrup and garnish with the confectioners' sugar.