01 - Whisk together the flour, sugar, baking powder, baking soda, and salt in a large bowl.
02 - In a separate bowl, whisk the buttermilk, milk, eggs, melted butter, lemon zest, lemon juice, and vanilla extract until smooth.
03 - Pour the wet ingredients into the dry ingredients and gently stir until just combined, leaving a few lumps.
04 - Fold in the fresh blueberries carefully to avoid breaking them.
05 - Heat a non-stick skillet or griddle over medium heat and lightly grease with butter or oil.
06 - Pour 1/4 cup of batter per pancake onto the skillet and cook until bubbles appear and edges set, about 2-3 minutes.
07 - Flip pancakes and cook for an additional 1-2 minutes until golden and cooked through; repeat with remaining batter.
08 - Stack pancakes warm with extra blueberries and drizzle with maple syrup; optionally add powdered sugar or butter.