In a large bowl whisk together flour, baking powder, baking soda and salt.

in a small bowl whisk together egg and buttermilk, then add vanilla and whisk until combined. Add the wet ingredients to the dry ingredients and mix just until combined. Add in melted butter and sugar and mix just until combined.

Heat a skillet or griddle on medium low. Melt a little butter in the pan.

Drop about 1/3 cup batter onto hot skillet, forming a 5-inch circles. Cook until bubble start to form and come to the surface about golden brown. Gently flip and continue to cook another 1-2 minutes more minutes.