In the blender, add buttermilk, eggs and vanilla. Pulse on Mix 2-3 times.
In a separate bowl, whisk dry ingredients together. Add half of the dry ingredients to the blender and pulse on Mix 2-3 times. Add the second half of batter and pulse 2-3 times.
Pour in melted butter and pulse until the batter is mixed well. Do not overmix batter.
On a griddle on medium low, pour ⅓ cup of batter for each pancake. Once bubbles start to form on top, flip over and cook for 1-2 minutes until cooked all the way through.