In a large bowl, combine the flour and sugar.
In a separate bowl, whisk together the buttermilk, eggs, melted butter, and vanilla extract.
Mix the wet ingredients into the dry ingredients until just combined. The batter will be rich, thick, and creamy.
Drop by spoonfuls onto a buttered griddle or skillet. Cook for a couple of minutes on each side.
You can keep them on an oven safe plate in a 200 degree oven to keep warm while the others are cooking