01 - Whisk together flour, sugar, baking powder, baking soda, and salt in a large bowl.
02 - In a separate bowl, whisk buttermilk, milk, eggs, melted butter, vanilla, lemon zest, and lemon juice until blended.
03 - Pour wet ingredients into dry ingredients and stir gently until just combined, allowing some lumps.
04 - Carefully fold fresh blueberries into batter to prevent breaking.
05 - Heat a nonstick skillet or griddle over medium heat and lightly grease with butter.
06 - Pour approximately 1/4 cup batter per pancake onto skillet. Cook 2–3 minutes until bubbles form and edges set.
07 - Turn and cook an additional 1–2 minutes until golden and cooked through.
08 - Continue cooking remaining batter, greasing skillet as needed.
09 - Stack pancakes warm, drizzle with maple syrup, and garnish with extra blueberries and lemon zest if desired.